/******************************************************************************
* navbar.js   *
* *
* Copyright 1999 by Mike Hall.*
* Web address: http://www.brainjar.com*
* Last update: December 13, 1999. *
* *
* Creates a interactive DHTML navigation bar with drop-down menus.*
* Note: requires dhtmllib.js
* Script featured on Dynamic Drive DHTML code library (http://dynamicdrive.com)   *
******************************************************************************/
navBarWidth=-1;navBarTrackX=false;navBarTrackY=false;navBarMenus=new Array();var navBar;var navBarHeight;var origWidth;var origHeight;
function navBarInit(){var menu=new Array();var layer,norm,high,dmmy;var last;var width;var on,off;var i,j,x,y,z;var link;if(!isMinNS4&&!isMinIE4)return;if(isMinNS4){origWidth=window.innerWidth;origHeight=window.innerHeight;}window.onresize = navBarReload;if(navBarMenuWidth<navBarHeaderWidth)navBarMenuWidth=navBarHeaderWidth;navBarBuild();moveLayerTo(navBar,navBarX,navBarY);showLayer(navBar);x=0;y=0;i=0;while((layer=getLayer("menu"+(i+1),window))!=null){width=navBarMenuWidth;if(i==navBarMenus.length-1)width=navBarWidth-x;menu[i]=layer;moveLayerTo(layer,x,y);z=0;j=0;while((layer=getLayer("item"+(i+1)+"_"+(j+1),menu[i]))!=null){norm=layer;moveLayerTo(norm,0,z);clipLayer(norm,navBarBorderWidth,navBarBorderWidth,width-navBarBorderWidth,getHeight(norm)-navBarBorderWidth);if(isMinNS4&&j>0)layer.visibility = "inherit";else showLayer(norm);high=getLayer("high"+(i+1)+"_"+(j+1),menu[i]);moveLayerTo(high,0,z);clipLayer(high, navBarBorderWidth, navBarBorderWidth,width-navBarBorderWidth,getHeight(norm)-navBarBorderWidth);hideLayer(high);dmmy = getLayer("dmmy"+(i+1)+"_"+(j+1),menu[i]);moveLayerTo(dmmy,0,z);clipLayer(dmmy,0,0,width,getHeight(norm));if(j==0)menu[i].high=high;else{dmmy.high=high;dmmy.onmouseover=navBarItemOn;dmmy.onmouseout=navBarItemOff;}link=navBarMenus[i][j*2+1];if(link!=""){if(isMinNS4){dmmy.document.link=link;dmmy.document.onmousedown=navBarItemGo;}if(isMinIE4||isMinNS6){dmmy.link=link;dmmy.onmousedown=navBarItemGo;}}z+=getHeight(norm)-navBarBorderWidth;if(j==0)off=z+navBarBorderWidth-1;on=z+navBarBorderWidth;j++;}x+=navBarHeaderWidth-navBarBorderWidth;menu[i].offWidth=navBarHeaderWidth;menu[i].offHeight=off+1;menu[i].onWidth=width;menu[i].onHeight=on;menu[i].onmouseover=navBarMenuOn;menu[i].onmouseout=navBarMenuOff;clipLayer(menu[i],0,0,menu[i].offWidth,menu[i].offHeight);showLayer(menu[i]);i++;}navBarHeight=menu[i-1].offHeight;menu[i-1].onmouseover=null;menu[i-1].onmouseout=null;clipLayer(menu[i-1],0,0,menu[i-1].onWidth,menu[i-1].offHeight);clipLayer(navBar,0,0,navBarWidth,menu[0].offHeight);if(navBarTrackX||navBarTrackY){navBarScroll();if(isMinNS4)setInterval('navBarScroll()',20);if(isMinIE4)window.onscroll=navBarScroll;}}
function navBarBuild(){var i,j,k,str,tmp;var padding,width;var headText,actvText,itemText,highText;var tblStart,tblEnd;navBarMenus[navBarMenus.length]=new Array("&nbsp;","");width=(navBarMenus.length-2)*(navBarHeaderWidth-navBarBorderWidth)+(navBarMenus[navBarMenus.length-2].length>2?navBarMenuWidth:navBarHeaderWidth);if(navBarWidth<0)navBarWidth=Math.max(getWindowWidth(),getPageWidth())-navBarX;if(navBarWidth==0)navBarWidth=width;if(navBarWidth>0)navBarWidth=Math.max(navBarWidth,width);padding=navBarPaddingWidth+navBarBorderWidth;headText='color:'+navBarHeaderFgColor+';font-family:'+ navBarHeaderFontFamily+';font-size:'+navBarHeaderFontSize+';font-style:'+navBarHeaderFontStyle+';font-weight:'+navBarHeaderFontWeight+';';actvText='color:'+navBarActiveFgColor+';font-family:'+ navBarHeaderFontFamily+';font-size:'+navBarHeaderFontSize+';font-style:'+navBarHeaderFontStyle+';font-weight:'+navBarHeaderFontWeight+';';itemText='color:'+navBarItemFgColor+';font-family:'+ navBarItemFontFamily+';font-size:'+navBarItemFontSize+';font-style:'+navBarItemFontStyle+';font-weight:'+navBarItemFontWeight+';';highText='color:'+navBarHighFgColor+';font-family:'+navBarItemFontFamily+';font-size:'+navBarItemFontSize+';font-style:'+navBarItemFontStyle+';font-weight:'+navBarItemFontWeight+';';tblStart='<table border=0 cellpadding='+padding+' cellspacing=0 width="100%"><tr><td>';tblEnd='</td></tr></table>';str="";for (i=0;i<navBarMenus.length;i++){width=navBarMenuWidth;if(i==navBarMenus.length-1)width=Math.max(navBarHeaderWidth,navBarWidth-(navBarMenus.length-1)*navBarHeaderWidth);if(isMinNS4)str+='<layer name=menu'+(i+1)+' bgcolor="'+navBarBorderColor+'" width='+width+' visibility=hidden>\n';if(isMinIE4)str+= '<div id=menu'+(i+1)+' style="position:absolute;cursor=hand;background-color:'+navBarBorderColor+';width:'+width+'px;height:100%;visibility:hidden;">\n';for (k=0;k<navBarMenus[i].length;k+=2){j=k/2;tmp=(i+1)+"_"+(j+1);if(j==0){if(isMinNS4){str+='<layer name=item'+tmp+' bgcolor="'+navBarHeaderBgColor+'" width='+width+'>'+tblStart+'<span style="'+headText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</layer>\n';str+='<layer name=high'+tmp+' bgcolor="'+navBarActiveBgColor+'" width='+width+'>'+tblStart+'<span style="'+actvText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</layer>\n';str+='<layer name=dmmy'+tmp+' width='+width+'></layer>\n';}if(isMinIE4){str+='<div id=item'+tmp+' style="position:absolute; background-color:'+navBarHeaderBgColor+';width:'+width+'px;">'+tblStart+'<span style="'+headText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</div>\n';str+='<div id=high'+tmp+' style="position:absolute; background-color:'+navBarActiveBgColor+';width:'+width+'px;">'+tblStart+'<span style="'+actvText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</div>\n';str+='<div id=dmmy'+tmp+' style="position:absolute; width:'+width+'px; height:100%;"></div>\n';}}else {if(isMinNS4){str+='<layer name=item'+tmp+' bgcolor="'+navBarItemBgColor+'" width='+width+'>'+tblStart+'<span style="'+itemText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</layer>\n';str+='<layer name=high'+tmp+' bgcolor="'+navBarHighBgColor+'" width='+width+'>'+tblStart+'<span style="'+highText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</layer>\n';str+='<layer name=dmmy'+tmp+' width='+width+'></layer>\n';}if(isMinIE4){str+='<div id=item'+tmp+' style="position:absolute;background-color:'+navBarItemBgColor+';width:'+width+'px;">'+tblStart+'<span style="'+itemText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</div>\n';str+='<div id=high'+tmp+' style="position:absolute;background-color:'+navBarHighBgColor+';width:'+width+'px;">'+tblStart+'<span style="'+highText+'">'+navBarMenus[i][k]+'</span>'+tblEnd+'</div>\n';str+='<div id=dmmy'+tmp+' style="position:absolute;width:'+width+'px;height:100%;"></div>\n';}}}if(isMinNS4)str+='</layer>\n';if(isMinIE4)str+='</div>\n';}if(isMinNS4){navBar=new Layer(width);navBar.document.writeln(str);navBar.document.close();clipLayer(navBar,0,0,navBarWidth,getWindowHeight());}if(isMinIE4){str='<div id=navBar style="position:absolute;width:'+navBarWidth+'px;height:'+(getWindowHeight()-navBarY)+'px;overflow:hidden;">'+str+'</div>\n';if(!isMinIE5){x=getPageScrollX();y=getPageScrollY();window.scrollTo(getPageWidth(),getPageHeight());}document.body.insertAdjacentHTML("beforeEnd",str);if(!isMinIE5)window.scrollTo(x,y);navBar=getLayer("navBar");}}
function navBarScroll(){var x,y,d;var max;x=navBarX;d=getPageScrollX()-navBarX;if(navBarTrackX&&d>0)x+=d;y=navBarY;d=getPageScrollY()-navBarY;if(navBarTrackY&&d>0)y+=d;if(isMinIE4||isMinNS6){max=Math.max(getPageWidth(),navBarWidth)-(navBarX+navBarWidth);x=Math.max(navBarX,Math.min(x,max));max=Math.max(getPageHeight(),getWindowHeight())-getWindowHeight()-navBarHeight+navBarY;y=Math.max(navBarY,Math.min(y,max));}moveLayerTo(navBar,x,y);}
function navBarMenuOn(){clipLayer(this,0,0,this.onWidth,this.onHeight);clipLayer(navBar,0,0,navBarWidth,this.onHeight);showLayer(this.high);}
function navBarMenuOff(){if((isMinIE4||isMinNS6)&&window.event.toElement&&window.event.srcElement.id.substr(4,1)==window.event.toElement.id.substr(4,1))return;clipLayer(this,0,0,this.offWidth,this.offHeight);clipLayer(navBar,0,0,navBarWidth,this.offHeight);hideLayer(this.high);}
function navBarItemOn(){showLayer(this.high);}
function navBarItemOff(){hideLayer(this.high);}
function navBarItemGo(){if(this.link.indexOf("javascript:")==0)eval(this.link);else window.location.href=this.link;return false;}
function navBarReload(){if(isMinNS4&&origWidth==document.innerWidth&&origHeight==document.innerHeight)return;document.location.href=document.location.href;}