// pdm2.js
// Pull-down menus written by "aure" (www.aure.com)
// Modified slightly by Brian Mottershead to handle upgrade
// browser sensing and platform independence.  standard.js
// and pdm.js were also merged.
//

    var isIE = (typeof document.all) != "undefined";
    var isStd = (typeof document.getElementById) != "undefined";
    var isNN4 = (typeof document.layers) != "undefined";

    if (isNN4) {
        document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP | Event.RESIZE);
        var ws = window.innerWidth;
        var hs = window.innerHeight;
    }

    function myResizeFunction() {
        if (isNN4) {
            if ((window.innerWidth != ws) || (window.innerHeight != hs)) {
                window.location.href=window.location.href;
            }
        }
    }

    function mkLay(n, w, h, x, y, z, vis, cnt, exn, exe) {
        mkLay2(n, w, h, x, y, z, vis, cnt, cnt, exn, exe);
    }

    function mkLay2(n, w, h, x, y, z, vis, cntn, cnte, exn, exe) {
        if (isNN4) {
            vis == 1 ? vis='show' : vis='hide';
            document.write(
             '<layer width='+w
            +' height='+h
            +' left='+x
            +' top='+y
            +' name="'+n
            +'" z-index='+z
            +' visibility="'+vis+'" '+exn+'>'+cntn+'</layer>');
        } else {
            vis == 1 ? vis='visible' : vis='hidden';
            document.write(
             '<div id="'+n
             +'" style="position:absolute;width:'+w
             +';height:'+h
             +';left:'+x
             +';top:'+y
             +';z-index:'+z
             +';visibility:'+vis+';'+exe+'" >'+cnte+'</div>');
        }
    }

    function visLay(nme,vis) {
        if (isNN4) {
            vis ? vis='show' : vis='hide';
            document.layers[nme].visibility=vis;
        } else if (isIE) {
            vis ? vis='visible' : vis='hidden';
            document.all[nme].style.visibility=vis;
        } else {
            vis ? vis='visible' : vis='hidden';
            document.getElementById(nme).style.visibility=vis;
        }
    }

    function LayerPos(id,x,y){
        if (isNN4){
            if (x != null) document.layers[id].left = x;
            if (y != null) document.layers[id].top = y;
        } else if (isIE) {
            if (x != null) document.all[id].style.posLeft = x;
            if (y != null) document.all[id].style.posTop = y;
        } else {
            if (x != null) document.getElementById(id).style.left = x;
            if (y != null) document.getElementById(id).style.top = y;
        }
    }


    var NavBar = new Array();
    var menu_spacing = 0;
    var cell_spacing = 0;
    var cell_padding = 0;

    var x_offset;
    var y_offset;
    var main_menu_bg_color;
    var main_menu_hl_color;
    var main_menu_bg_img_url;
    var main_menu_hl_img_url;
    var sub_menu_bg_color;
    var sub_menu_hl_color;
    var sub_menu_bg_img_url;
    var sub_menu_hl_img_url;
    var sub_sub_menu_bg_color;
    var sub_sub_menu_hl_color;
    var sub_sub_menu_bg_img_url;
    var sub_sub_menu_hl_img_url;

    var element_height, element_width;
    var orientation;
    var test_main_menu_bg_color = '#FFFFFF';

    var last_casc1;
    var last_casc2 = '';

    var blank_src = '/scripts/transparent-dot.gif';
    var blank_img = '<img src='+ blank_src + ' width=1 height=1>';

    var hoverActive = true;

    function NavBarItem(label, url, top_level_p, opened_p){
        this.label = label;
        this.url = url;
        this.TopLevelP = top_level_p;
        this.OpenedP = opened_p;
        this.cascade = new CascadeMenu();
        NavBar[NavBar.length] = this;
        return this;
    }

    function CascadeMenu(){
        this.members = new Array();
        this.addMember = AddMember;
        return this;
    }

    function CascadeItem(label, url, has_cascade) {
        this.label = label;
        this.url = url;
        this.has_cascade = has_cascade;
        if (has_cascade){
            this.cascade = new CascadeMenu();
        }
    }

    function AddMember(label,url,has_cascade){
        var my_index = this.members.length;
        this.members[my_index] = new CascadeItem(label,url,has_cascade);
        return this.members[my_index];
    }

    function makeNavigationBar(){
        var mainNavBar = '';
        var main_act = '<map name="mainNavBar_map">';
        var num_opened = 0;
        var current_x_offset = 0;
        var current_y_offset = 0;
        var openbg_top = -1;
        var openbg_h = 0;
    
        if (orientation == 'horizontal') {
            mainNavBar += '<table border=0' + 
                '       cellspacing=' + cell_spacing +
                '       cellpadding=' + cell_padding +
                '       width=' + (NavBar.length * element_width) + '>' +
                '<tr>';
        } else {
            mainNavBar += '<table border=0' +
                '       cellspacing=' + cell_spacing +
                '       cellpadding=' + cell_padding +
                '       width=' + element_width + '>';    
        }
    
        for(var i = 0; i < NavBar.length; i++) {
            if (NavBar[i].OpenedP){
                font_decoration = '<u>';
            } else {
                font_decoration = '';
            }
        
            if (orientation == 'horizontal') {
                mainNavBar += '<td width=' + (element_width - 10) + '>' +
                    '<font class="mainmenufont"> &nbsp; ' + 
                    font_decoration + NavBar[i].label + 
                    '</td>';
            
            } else if (NavBar[i].TopLevelP){
                mainNavBar += '<tr>' +
                    '<td height=' + element_height +
                    '    width='  + element_width  + 
                    '    nowrap>' +
                    '<font class="mainmenufont">&nbsp;' + 
                    font_decoration + NavBar[i].label + 
                    '</td></tr>';
            
                if (NavBar[i].OpenedP) {
                    if (num_opened > 0)
                        alert("Warning: more than one open top-level nav item");
                    if (num_opened == 0)
                        num_opened = 1;
                }
            } else {
                mainNavBar += '<tr>' +
                    '<td height=' + element_height +
                    '    width='  + element_width  +
                    '    nowrap>' +
                    '<font class="mainmenufont">&nbsp;' + NavBar[i].label +
                    '</td></tr>';
            
                if (openbg_top == -1) openbg_top = current_y_offset;
            
                openbg_h += element_height;
            }
        
            //Make the imagemap area html for this element
            main_act += MapArea(element_width,
                element_height,
                current_x_offset,
                current_y_offset,
                NavBar[i].url,
                "TopOver(" + i + "," + 
                (x_offset + current_x_offset) + "," + 
                (y_offset + current_y_offset) + ",'firstpass'" +                                     
                ");",
                '',
                'top');
        
            //build first level cascade for this nav item
            var sub1_id = 'casc1_' + i;
            var sub1_cont = '';
            var sub1_act = '<map name="'+ sub1_id + '_map">';
        
            //loop through this item's cascade items
            if(NavBar[i].cascade.members.length > 0){
                sub1_cont += '<table border=0' +
                    '       cellpadding=' + cell_padding +
                    '       cellspacing=' + cell_spacing +
                    '       width=' + element_width + '>\n';
            
                for (var j = 0; j < NavBar[i].cascade.members.length; j++) {
                    var sub1_top = j * element_height;
                
                    sub1_cont += '<tr>' +
                        '<td height=' + element_height + 
                        '    width='  + element_width  + 
                        '    nowrap>' + 
                        '<font class="submenufont">&nbsp;' + 
                        NavBar[i].cascade.members[j].label + 
                        '</font>' + 
                        '</td>' + 
                        '</tr>';
                
                    //check for 2nd level cascades
                    if (NavBar[i].cascade.members[j].has_cascade) {
                        var my_cascade = NavBar[i].cascade.members[j].cascade;
                        var sub2_id = 'casc2_' + i + "_" + j;
                        var sub2_cont = '';
                        var sub2_act = '<map name="'+ sub2_id + '_map">';
                    
                        //loop through this item's cascade items
                        sub2_cont += '<table border=0' + 
                            '       cellpadding=' + cell_padding + 
                            '       cellspacing=' + cell_spacing + 
                            '       width=' + element_width + '>\n';
                    
                        for (var k = 0; k < my_cascade.members.length; k++) {
                        
                            sub2_cont += '<tr>' +
                                '<td height=' + element_height +
                                '    width='  + element_width  +
                                '    nowrap>' +
                                '<font class="subsubmenufont">&nbsp;' + 
                                my_cascade.members[k].label +
                                '</font>' +
                                '</td>' +
                                '</tr>'; 
                        
                            // convenience variables
                            var sub2_top = k * element_height;
                            if (orientation == 'horizontal') {
                                var x1 = (x_offset + current_x_offset + element_width); 
                                var y1 = (y_offset + current_y_offset + element_height);
                            } else {
                                var x1 = (x_offset + current_x_offset + 2 * element_width); 
                                var y1 = (y_offset + current_y_offset);
                            }
                        
                            sub2_act += MapArea(element_width,
                                element_height,
                                0,
                                sub2_top,
                                my_cascade.members[k].url,
                                'Cascade2Over(\'casc2_'+ k +'\',' + 
                                x1 + ',' + 
                                (y1 + sub1_top + sub2_top) +
                                ')',
                                '',
                                'sub');
                        }
                    
                        sub2_cont += '</table>\n';
                    
                        //write out second-level cascade
                        mkLay(sub2_id,
                            element_width,
                            element_height,
                            x1,
                            (y1 + sub1_top),
                            3,
                            false,
                            sub2_cont,
                            '',
                            '');
                    
                        sub2_act += '</map>\n' +
                            '<img src="' + blank_src + '"' + 
                            '     width=' + element_width + 
                            '     height='+ (sub2_top + element_height) +
                            '     usemap="#' + sub2_id + '_map" ' +
                            '     border=0>';
                    
                        //write out first-level cascade activation layer
                        mkLay(sub2_id + '_act',
                            10,
                            10,
                            x1,
                            (y1 + sub1_top),
                            4,
                            false,
                            sub2_act,
                            '',
                            '');
                    
                        //make first-level cascade bg layer
                        mkLay2(sub2_id + '_bg',
                            (element_width - menu_spacing),
                            (my_cascade.members.length * element_height),
                            x1,
                            (y1 + sub1_top),
                            1,
                            false,
                            '<body background="'+sub_sub_menu_bg_img_url
                            +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
                            '<div class="subsubmenu"><img width='
                             +(element_width - menu_spacing)+' height='
                             +(my_cascade.members.length * element_height)
                             +' src='+blank_src+'></div>',
                            'bgcolor=' + sub_sub_menu_bg_color,
                            'background-color: ' + sub_sub_menu_bg_color + ';');
                    
                        last_casc2 = sub2_id;
                    }
                
                    if (orientation == 'horizontal') {
                        var x2 = (x_offset + current_x_offset); 
                        var y2 = (y_offset + current_y_offset + element_height);
                    } else {
                        var x2 = (x_offset + current_x_offset + element_width); 
                        var y2 = (y_offset + current_y_offset);
                    }
                
                    //add to first-level cascade activation layer
                    sub1_act += MapArea(element_width,
                        element_height,
                        0,
                        sub1_top,
                        NavBar[i].cascade.members[j].url,
                        'Cascade1Over('+ j +',' + 
                        x2 + ',' + 
                        (y2 + sub1_top)  +',' + 
                        NavBar[i].cascade.members[j].has_cascade +',' + 
                        i + ')',
                        '',
                        'sub');
            }
        
            sub1_cont += '</table>\n';
        
            //write out first-level cascade
            mkLay(sub1_id,
                element_width,
                element_height,
                x2,
                y2,
                3,
                false,
                sub1_cont,
                '',
                '');
        
            sub1_act += '</map>\n' + 
                '<img src="' + blank_src + '"' + 
                '     width=' + element_width + 
                '     height=' + (sub1_top + element_height) +
                '     usemap="#'+ sub1_id +'_map"' +
                '     border=0>';
        
            //write out first-level cascade activation layer
            mkLay(sub1_id + '_act',
                10,
                10,
                x2,
                y2,
                4,
                false,
                sub1_act,
                '',
                '');
        
            //make first-level cascade bg layer
            mkLay2(sub1_id + '_bg',
                (element_width - menu_spacing),
                (NavBar[i].cascade.members.length * element_height),
                x2,
                y2,
                1,
                false,
                '<body background="'+sub_menu_bg_img_url
                +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
                '<div class="submenu"><img width='
                +(element_width - menu_spacing)
                +' height='
                +(NavBar[i].cascade.members.length * element_height)
                +' src='+blank_src+'></div>',
                'bgcolor=' + sub_menu_bg_color,
                'background-color: ' + sub_menu_bg_color + ';');
        
            last_casc1 = sub1_id;
        }
    
        if (orientation == 'horizontal') {
            current_x_offset += element_width;
        } else {
            current_y_offset += element_height;
        }
    
        }
    
        if (orientation == 'horizontal') {
            var navbar_width = NavBar.length * element_width;
            var navbar_height = element_height;
        } else {
            var navbar_width = element_width;
            var navbar_height = current_y_offset;
        }
    
        mkLay2('nav_bg_off',
            navbar_width,
            navbar_height,
            x_offset,
            y_offset,
            1,
            true,
            '<body background="'+main_menu_bg_img_url
            +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
            '<div class="mainmenu"><img width='
            +(element_width - menu_spacing)
            +' height='
            +(element_height)
            +' src='+blank_src+'></div>',
            'bgcolor=' + main_menu_bg_color,
            'background-color: ' + main_menu_bg_color + ';');
    
        //make alternate bgcolor for open items if there are any
        if (openbg_top != -1 && orientation == 'vertical') {
            mkLay('nav_openbg',
                element_width,
                openbg_h,
                x_offset,
                (y_offset + openbg_top),
                2,
                true,
                blank_img,
                'bgcolor=' + test_main_menu_bg_color,
                'background-color: ' + test_main_menu_bg_color + ';');
        }
    
        // highlight main element
        mkLay2('nav_highlight',
            (element_width - menu_spacing),
            element_height,
            (x_offset - 1),
            y_offset,
            3,
            false,
            '<body background="'+main_menu_hl_img_url
            +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
            '<div class="mainmenuhl"><img width='
            +(element_width - menu_spacing)
            +' height='
            +(element_height)
            +' src='+blank_src
            +'></div>',
            'bgcolor=' + main_menu_hl_color,
            'background-color: ' + main_menu_hl_color + ';');
    
        mainNavBar += '</tr></table>';
    
        //make nav layers
        mkLay('nav_layers',
            10,
            10,
            x_offset,
            (y_offset - 1),
            50,
            true,
            mainNavBar,
            '',
            '');
    
        main_act += '</map>\n' + 
            '<img src="' + blank_src + '"' +
            '     width=' + navbar_width + 
            '     height=' + navbar_height +
            '     usemap="#mainNavBar_map"' +  
            '     border=0>';
    
        mkLay('nav_act_' + i,
            10,
            10,
            x_offset,
            (y_offset - 1),
            51,
            true,
            main_act,
            '',
            '');
    
        //make deactivation layer
        mkLay('closer',
            0,
            0,
            0,
            0,
            0,
            false,
            '<a href="#" onmouseover="CloseAll()">' +
            '<img src="' + blank_src + '"' +
            '     width=768' + 
            '     height=800' +
            '     border=0></a>',
            '',
            '');
    
        if (orientation == 'horizontal') {
            var x3 = x_offset;
            var x4 = x_offset;
        } else {
            var x3 = (x_offset + element_width);
            var x4 = (x_offset + 2 * element_width);
        }
    
        //make first-level cascade highlight layer
        mkLay2('casc1_highlight',
            (element_width - menu_spacing),
            element_height,
            x3,
            y_offset,
            2,
            false,
            '<body background="'
            +sub_menu_hl_img_url
            +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
            '<div class="submenuhl"><img width='
            +(element_width - menu_spacing)
            +' height='
            +(element_height)
            +' src='+blank_src+'></div>',
            'bgcolor=' + sub_menu_hl_color,
            'background-color: ' + sub_menu_hl_color + ';');
    
        //make second-level cascade highlight layer
        mkLay2('casc2_highlight',
            element_width,
            element_height,
            x4,
            y_offset,
            2,
            false,
            '<body background="'
            +sub_sub_menu_hl_img_url
            +'" marginwidth=0 marginheight=0 leftmargin=0 topmargin=0>',
            '<div class="subsubmenuhl"><img width='
            +(element_width - menu_spacing)
            +' height='+(element_height)
            +' src='+blank_src+'></div>',
            'bgcolor=' + sub_sub_menu_hl_color,
            'background-color:' + sub_sub_menu_hl_color + ';');
    }

    function CloseAll(){
        hoverActive = true;
        visLay("nav_highlight",false);
        visLay(last_casc1, false);
        visLay(last_casc1 + '_bg', false);
        visLay(last_casc1 + '_act', false);
        visLay("casc1_highlight",false);
    
        if (last_casc2 != ""){
            visLay(last_casc2, false);
            visLay(last_casc2 + '_bg', false);
            visLay(last_casc2 + '_act', false);
        }
        visLay("casc2_highlight",false);
        visLay("closer",false);
    }

    function TopOver(which,x,y,pass){
        if ((pass == 'firstpass') && (hoverActive)) {
            hoverActive = false;
            visLay('closer',true);
            setTimeout("TopOver(" + which + "," + x + "," + y + ",'second')", 500);
            return true;
        } else if ((pass =='firstpass') && (hoverActive == false)) {
            setTimeout("TopOver(" + which + "," + x + "," + y + ",'second')", 1);
            return true;
        } else if (hoverActive) {
            return false;
        }
    
        //first turn stuff off
        visLay(last_casc1, false);
        visLay(last_casc1 + '_bg', false);
        visLay(last_casc1 + '_act', false);
        visLay("casc1_highlight",false);
        if (last_casc2 != ""){
            visLay(last_casc2, false);
            visLay(last_casc2 + '_bg', false);
            visLay(last_casc2 + '_act', false);
        }
        visLay("casc2_highlight",false);
    
        //then turn stuff on
        LayerPos('nav_highlight',x,y);
        visLay('nav_highlight',true);
        var my_cascade = 'casc1_' + which;
        last_casc1 = my_cascade;
    
        visLay(my_cascade, true);
        visLay(my_cascade + '_bg', true);
        visLay(my_cascade + '_act', true);
        visLay('closer',true);
        return true;    
    }

    function Cascade1Over(which,x,y,hasCascade,cascID){
        //first turn stuff off
        if (last_casc2 != ""){
            visLay(last_casc2, false);
            visLay(last_casc2 + '_bg', false);
            visLay(last_casc2 + '_act', false);
        }
        visLay("casc2_highlight",false);
    
        //then turn stuff on
        LayerPos("casc1_highlight",x,y);
        visLay("casc1_highlight",true);
    
        if (hasCascade){
            var my_cascade = 'casc2_' + cascID +"_" + which;
            last_casc2 = my_cascade;
            visLay(my_cascade, true);
            visLay(my_cascade + '_bg', true);
            visLay(my_cascade + '_act', true);
        }
    
        visLay('closer',true);
    }

    function Cascade2Over(which,x,y){
        LayerPos("casc2_highlight",x,y);
        visLay("casc2_highlight",true);
    }

    function MapArea(width,height,x,y,url,over,out,level){
        var my_map = '<area shape="rect" coords="';
        my_map += x + ',' 
         + y + ',' + (x + width) + ',' + (y + height);
    
        if ((click_to_open_menu) && (level == 'top')) {
            my_map += '" href="'
             + url +'" onclick="'
             + over +'; return false;" onmouseout="'
             + out +'">\n';
        } else {
               my_map += '" href="'
               + url +'" onmouseover="'
               + over +'" onmouseout="'
               + out +'" onclick="return '
               + (url != "#") +';">\n';
        }
        return my_map;
    }

	function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }

function findHeight(obj)
  {
 	var h;
	if (document.getBoxObjectFor) {
		var bo = document.getBoxObjectFor(obj);
		h = bo.height;
	}
	else if (obj.getBoundingClientRect) {
		var rect = obj.getBoundingClientRect();
		h = rect.bottom - rect.top;
	}
	return h;
  }  

function findWidth(obj)
  {
 	var h;
	if (document.getBoxObjectFor) {
		var bo = document.getBoxObjectFor(obj);
		h = bo.width;
	}
	else if (obj.getBoundingClientRect) {
		var rect = obj.getBoundingClientRect();
		h = rect.right - rect.left;
	}
	return h;
  }