3. Save as navcond.js
var isMinNS4=(navigator.appName.indexOf("Netscape")>=0&&parseFloat(navigator.appVersion)>=4)?1:0;var isMinIE4=(document.all)?1:0;var isMinIE5=(isMinIE4 && navigator.appVersion.indexOf("MSIE 5.")>= 0||isMinIE4&& navigator.appVersion.indexOf("MSIE 6.")>=0)?1:0;function hideLayer(layer){if(isMinNS4)layer.visibility="hide";if(isMinIE4)layer.style.visibility="hidden";}function showLayer(layer){if(isMinNS4)layer.visibility="show";if(isMinIE4)layer.style.visibility="visible";}function inheritLayer(layer){if(isMinNS4)layer.visibility="inherit";if(isMinIE4)layer.style.visibility="inherit";}function getVisibility(layer){if(isMinNS4){if(layer.visibility=="show")return "visible";if(layer.visibility=="hide")return "hidden";return layer.visibility;}if(isMinIE4)return layer.style.visibility;return "";}function moveLayerTo(layer,x,y){if(isMinNS4)layer.moveTo(x,y);if(isMinIE4){layer.style.left=x;layer.style.top=y;}}function moveLayerBy(layer,dx,dy){if(isMinNS4)layer.moveBy(dx,dy);if(isMinIE4){layer.style.pixelLeft+=dx;layer.style.pixelTop+=dy;}}function getLeft(layer){if(isMinNS4)return layer.left;if(isMinIE4)return layer.style.pixelLeft;return-1;}function getTop(layer){if(isMinNS4)return layer.top;if(isMinIE4)return layer.style.pixelTop;return-1;}function getRight(layer){if(isMinNS4)return layer.left+getWidth(layer);if(isMinIE4)return layer.style.pixelLeft+getWidth(layer);return-1;}function getBottom(layer){if(isMinNS4)return layer.top+getHeight(layer);if(isMinIE4)return layer.style.pixelTop+getHeight(layer);return-1;}function getPageLeft(layer){var x;if(isMinNS4)return layer.pageX;if(isMinIE4){x=0;while(layer.offsetParent!=null){x+=layer.offsetLeft;layer=layer.offsetParent;}x+=layer.offsetLeft;return x;}return-1;}function getPageTop(layer){var y;if(isMinNS4)return layer.pageY;if(isMinIE4){y=0;while(layer.offsetParent!=null){y+=layer.offsetTop;layer=layer.offsetParent;}y+=layer.offsetTop;return y;}return-1;}function getWidth(layer){if(isMinNS4){if(layer.document.width)return layer.document.width;else return layer.clip.right-layer.clip.left;}if(isMinIE4){if(layer.style.pixelWidth)return layer.style.pixelWidth;else return layer.clientWidth;}return-1;}function getHeight(layer){if(isMinNS4){if(layer.document.height)return layer.document.height;else return layer.clip.bottom-layer.clip.top;}if(isMinIE4){if(layer.style.pixelHeight)return layer.style.pixelHeight;else return layer.clientHeight;}return-1;}function getzIndex(layer){if(isMinNS4)return layer.zIndex;if(isMinIE4)return layer.style.zIndex;return-1;}function setzIndex(layer,z){if(isMinNS4)layer.zIndex=z;if(isMinIE4)layer.style.zIndex=z;}function clipLayer(layer,clipleft,cliptop,clipright,clipbottom){if(isMinNS4){layer.clip.left=clipleft;layer.clip.top=cliptop;layer.clip.right=clipright;layer.clip.bottom=clipbottom;}if(isMinIE4)layer.style.clip='rect('+cliptop+' '+clipright+' '+clipbottom+' '+clipleft+')';}function getClipLeft(layer){if(isMinNS4)return layer.clip.left;if(isMinIE4){var str=layer.style.clip;if(!str)return 0;var clip=getIEClipValues(layer.style.clip);return(clip[3]);}return-1;}function getClipTop(layer){if(isMinNS4)return layer.clip.top;if(isMinIE4){var str=layer.style.clip;if(!str)return 0;var clip=getIEClipValues(layer.style.clip);return clip[0];}return-1;}function getClipRight(layer){if(isMinNS4)return layer.clip.right;if(isMinIE4){var str=layer.style.clip;if(!str)return layer.style.pixelWidth;var clip=getIEClipValues(layer.style.clip);return clip[1];}return-1;}function getClipBottom(layer){if(isMinNS4)return layer.clip.bottom;if(isMinIE4){var str=layer.style.clip;if(!str)return layer.style.pixelHeight;var clip=getIEClipValues(layer.style.clip);return clip[2];}return-1;}function getClipWidth(layer){if(isMinNS4)return layer.clip.width;if(isMinIE4){var str=layer.style.clip;if(!str)return layer.style.pixelWidth;var clip=getIEClipValues(layer.style.clip);return clip[1]-clip[3];}return-1;}function getClipHeight(layer){if(isMinNS4)return layer.clip.height;if(isMinIE4){var str=layer.style.clip;if(!str)return layer.style.pixelHeight;var clip=getIEClipValues(layer.style.clip);return clip[2]-clip[0];}return-1;}function getIEClipValues(str){var clip=new Array();var i;i=str.indexOf("(");clip[0]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[1]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[2]=parseInt(str.substring(i+1,str.length),10);i=str.indexOf(" ",i+1);clip[3]=parseInt(str.substring(i+1,str.length),10);return clip;}function scrollLayerTo(layer,x,y,bound){var dx=getClipLeft(layer)-x;var dy=getClipTop(layer)-y;scrollLayerBy(layer,-dx,-dy,bound);}function scrollLayerBy(layer,dx,dy,bound){var cl=getClipLeft(layer);var ct=getClipTop(layer);var cr=getClipRight(layer);var cb=getClipBottom(layer);if(bound){if(cl+dx<0)dx=-cl;else if(cr+dx>getWidth(layer))dx=getWidth(layer)-cr;if(ct+dy<0)dy=-ct;else if(cb+dy>getHeight(layer))dy=getHeight(layer)-cb;}clipLayer(layer,cl+dx,ct+dy,cr+dx,cb+dy);moveLayerBy(layer,-dx,-dy);}function setBgColor(layer,color){if(isMinNS4)layer.bgColor=color;if(isMinIE4)layer.style.backgroundColor=color;}function setBgImage(layer,src){if(isMinNS4)layer.background.src=src;if(isMinIE4)layer.style.backgroundImage="url("+src+")";}function getLayer(name){if(isMinNS4)return findLayer(name,document);if(isMinIE4)return eval('document.all.'+name);return null;}function findLayer(name,doc){var i,layer;for(i=0;i<doc.layers.length;i++){layer=doc.layers;if(layer.name==name)return layer;if(layer.document.layers.length>0)if((layer=findLayer(name,layer.document))!=null)return layer;}return null;}function getImage(name){if(isMinNS4){return findImage(name,document);}if(isMinIE4)return eval('document.all.'+name);return null;}function findImage(name,doc){var i,img;for(i=0;i<doc.images.length;i++)if(doc.images.name==name)return doc.images;for(i=0;i<doc.layers.length;i++)if((img=findImage(name,doc.layers.document))!=null){img.container=doc.layers;return img;}return null;}function getImagePageLeft(img){var x,obj;if(isMinNS4){if(img.container!=null)return img.container.pageX+img.x;else return img.x;}if(isMinIE4){x=0;obj=img;while(obj.offsetParent!=null){x+=obj.offsetLeft;obj=obj.offsetParent;}x+=obj.offsetLeft;return x;}return-1;}function getImagePageTop(img){var y,obj;if(isMinNS4){if(img.container!=null)return img.container.pageY+img.y;else return img.y;}if(isMinIE4){y=0;obj=img;while(obj.offsetParent!=null){y+=obj.offsetTop;obj=obj.offsetParent;}y+=obj.offsetTop;return y;}return-1;}function getWindowWidth(){if(isMinNS4)return window.innerWidth;if(isMinIE4)return document.body.clientWidth;return-1;}function getWindowHeight(){if(isMinNS4)return window.innerHeight;if(isMinIE4)return document.body.clientHeight;return-1;}function getPageWidth(){if(isMinNS4)return document.width;if(isMinIE4)return document.body.scrollWidth;return-1;}function getPageHeight(){if(isMinNS4)return document.height;if(isMinIE4)return document.body.scrollHeight;return-1;}function getPageScrollX(){if(isMinNS4)return window.pageXOffset;if(isMinIE4)return document.body.scrollLeft;return-1;}function getPageScrollY(){if(isMinNS4)return window.pageYOffset;if(isMinIE4)return document.body.scrollTop;return-1;}var isMinIE6=(isMinIE5&&navigator.appVersion.indexOf("MSIE 5.5")>=0||isMinIE5&&navigator.appVersion.indexOf("MSIE 6.")>=0)?1:0;var navBars=new Array();function NavBarMenuItem(text,link){this.text=text;this.link=link;}function NavBarMenu(hdrWidth,menuWidth){this.hdrWidth=hdrWidth;this.width=menuWidth;this.height=0;this.items=new Array();this.addItem=navBarMenuAddItem;}function navBarMenuAddItem(item){this.items[this.items.length]=item;}function NavBar(width){this.x=0;this.y=0;this.width=width;this.height=0;this.align="left";this.minWidth=0;this.inverted=false;this.menus=new Array();this.created=false;this.border=2;this.padding=4;this.separator=1;this.borderColor="#000000";this.hdrFgColor="#000000";this.hdrBgColor="#999999";this.hdrHiFgColor="#ffffff";this.hdrHiBgColor="#666666";this.itmFgColor="#000000";this.itmBgColor="#cccccc";this.itmHiFgColor="#ffffff";this.itmHiBgColor="#000080";this.hdrFontFamily="Arial,Helvetica,sans-serif";this.hdrFontStyle="plain";this.hdrFontWeight="bold";this.hdrFontSize="10pt";this.itmFontFamily="MS Sans Serif,Arial,Helvetica,sans-serif";this.itmFontStyle="plain";this.itmFontWeight="bold";this.itmFontSize="8pt";this.setSizes=navBarSetSizes;this.setColors=navBarSetColors;this.setFonts=navBarSetFonts;this.addMenu=navBarAddMenu;this.create=navBarCreate;this.hide=navBarHide;this.show=navBarShow;this.moveTo=navBarMoveTo;this.moveBy=navBarMoveBy;this.getzIndex=navBarGetzIndex;this.setzIndex=navBarSetzIndex;this.getWidth=navBarGetWidth;this.getMinWidth=navBarGetMinWidth;this.getAlign=navBarGetAlign;this.setAlign=navBarSetAlign;this.resize=navBarResize;this.invert=navBarInvert;this.isInverted=navBarIsInverted;this.index=navBars.length;navBars[this.index]=this;}function navBarSetSizes(border,padding,separator){if(!this.created){this.border=border;this.padding=padding;this.separator=separator;}}function navBarSetColors(bdColor,hdrFgColor,hdrBgColor,hdrHiFgColor,hdrHiBgColor,itmFgColor,itmBgColor,itmHiFgColor,itmHiBgColor){if(!this.created){this.borderColor=bdColor;this.hdrFgColor=hdrFgColor;this.hdrBgColor=hdrBgColor;this.hdrHiFgColor=hdrHiFgColor;this.hdrHiBgColor=hdrHiBgColor;this.itmFgColor=itmFgColor;this.itmBgColor=itmBgColor;this.itmHiFgColor=itmHiFgColor;this.itmHiBgColor=itmHiBgColor;}}function navBarSetFonts(hdrFamily,hdrStyle,hdrWeight,hdrSize,itmFamily,itmStyle,itmWeight,itmSize){if(!this.created){this.hdrFontFamily=hdrFamily;this.hdrFontStyle=hdrStyle;this.hdrFontWeight=hdrWeight;this.hdrFontSize=hdrSize;this.itmFontFamily=itmFamily;this.itmFontStyle=itmStyle;this.itmFontWeight=itmWeight;this.itmFontSize=itmSize;}}function navBarAddMenu(menu){if(!this.created)this.menus[this.menus.length]=menu;}function navBarCreate(){var str;var i,j;var norm,high,end;var width,height;var x,y;var scrX,scrY;if(this.created||(!isMinNS4&&!isMinIE4))return;str="";if(isMinIE4&&!isMinIE5){scrX=getPageScrollX();scrY=getPageScrollY();window.scrollTo(getPageWidth(),getPageHeight());}if(isMinNS4)str+='<layer name="navBar'+this.index+'_filler"></layer>\n<layer name="navBar'+this.index+'_hdrsBase">\n';if(isMinIE4)str+='<div id="navBar'+this.index+'_filler" style="position:absolute;"></div>\n<div id="navBar'+this.index+'_hdrsBase" style="position:absolute;">\n';for(i=0;i<this.menus.length;i++){norm='<table border=0 cellpadding='+this.padding+' cellspacing=0'+(this.menus.hdrWidth>0?' width='+this.menus.hdrWidth:'')+((isMinIE4&&!isMinIE5)?' id="navBar'+this.index+'_tbl'+i+'"':'')+'><tr><td'+(this.menus.hdrWidth==0?' nowrap=1'+this.menus.hdrWidth:'')+'><span style="color:'+this.hdrFgColor+';font-family:'+this.hdrFontFamily+';font-size:'+this.hdrFontSize+';font-style:'+this.hdrFontStyle+';font-weight:'+this.hdrFontWeight+';">';high='<table border=0 cellpadding='+this.padding+' cellspacing=0'+(this.menus.hdrWidth>0?' width='+this.menus.hdrWidth:'')+'><tr><td'+(this.menus.hdrWidth==0?' nowrap=1'+this.menus.hdrWidth:'')+'><span style="color:'+this.hdrHiFgColor+';font-family:'+this.hdrFontFamily+';font-size:'+this.hdrFontSize+';font-style:'+this.hdrFontStyle+';font-weight:'+this.hdrFontWeight+';">';end='</span></td></tr></table>';if(isMinNS4)str+='<layer name="navBar'+this.index+'_head'+i+'">'+norm+this.menus.items[0].text+end+'</layer>\n<layer name="navBar'+this.index+'_headHigh'+i+'">'+high+this.menus.items[0].text+end+'</layer>\n<layer name="navBar'+this.index+'_headDummy'+i+'"></layer>\n';if(isMinIE4){str+='<div id="navBar'+this.index+'_head'+i+'" style="position:absolute;">'+norm+this.menus.items[0].text+end+'</div>\n<div id="navBar'+this.index+'_headHigh'+i+'" style="position:absolute;">'+high+this.menus.items[0].text+end+'</div>\n<div id="navBar'+this.index+'_headDummy'+i+'" style="position:absolute;">';if(isMinIE6)str+='<table cellspacing=0 width="100%" height="100%"><tr><td> </td></tr></table>';str+='</div>\n';}}if(isMinNS4){str+='</layer>\n';this.baseLayer=new Layer(this.width);this.baseLayer.document.open();this.baseLayer.document.write(str);this.baseLayer.document.close();}if(isMinIE4){str+='</div>\n';str='<div id="navBar'+this.index+'" style="position:absolute;left:0px;top:0px;">\n'+str+'</div>\n';document.body.insertAdjacentHTML("beforeEnd",str);this.baseLayer=getLayer("navBar"+this.index);}width=0;height=0;for(i=0;i<this.menus.length;i++){this.menus.hdrNormLayer=getLayer('navBar'+this.index+'_head'+i);this.menus.hdrHighLayer=getLayer('navBar'+this.index+'_headHigh'+i);this.menus.hdrDmmyLayer=getLayer('navBar'+this.index+'_headDummy'+i);height=Math.max(height,getHeight(this.menus.hdrNormLayer));this.height=height+2*this.border;if(isMinIE4&&!isMinIE5){width=this.menus.hdrWidth;if(width==0)width=eval('document.all.navBar'+this.index+'_tbl'+i+'.clientWidth');navBarIEResizeLayer(this.menus.hdrNormLayer,width,height);navBarIEResizeLayer(this.menus.hdrHighLayer,width,height);navBarIEResizeLayer(this.menus.hdrDmmyLayer,width,height);}}x=this.border;y=this.border;for(i=0;i<this.menus.length;i++){width=Math.max(this.menus.hdrWidth,getWidth(this.menus.hdrNormLayer));if(this.menus.width==0)this.menus.width=width+2*this.border;moveLayerTo(this.menus.hdrNormLayer,x,y);setBgColor(this.menus.hdrNormLayer,this.hdrBgColor);clipLayer(this.menus.hdrNormLayer,0,0,width,height);inheritLayer(this.menus.hdrNormLayer);moveLayerTo(this.menus.hdrHighLayer,x,y);setBgColor(this.menus.hdrHighLayer,this.hdrHiBgColor);clipLayer(this.menus.hdrHighLayer,0,0,width,height);hideLayer(this.menus.hdrHighLayer);moveLayerTo(this.menus.hdrDmmyLayer,x,y);if(isMinIE4)navBarIEResizeLayer(this.menus.hdrDmmyLayer,width,height);clipLayer(this.menus.hdrDmmyLayer,0,0,width,height);inheritLayer(this.menus.hdrDmmyLayer);this.menus.hdrDmmyLayer.highLayer=this.menus.hdrHighLayer;this.menus.hdrLeft=x;x+=width+this.border;this.menus.hdrRight=x;}this.minWidth=x;this.width=Math.max(this.minWidth,this.width);moveLayerTo(this.baseLayer,this.x,this.y);setBgColor(this.baseLayer,this.borderColor);if(isMinIE4)navBarIEResizeLayer(this.baseLayer,this.width,this.height);clipLayer(this.baseLayer,0,0,this.width,this.height);this.fillerLayer=getLayer('navBar'+this.index+'_filler');moveLayerTo(this.fillerLayer,this.border,this.border);setBgColor(this.fillerLayer,this.hdrBgColor);width=this.width-2*this.border;height=this.height-2*this.border;if(isMinIE4)navBarIEResizeLayer(this.fillerLayer,width,height);clipLayer(this.fillerLayer,0,0,width,height);inheritLayer(this.fillerLayer);this.hdrsBaseLayer=getLayer('navBar'+this.index+'_hdrsBase');if(this.align=="left")this.hdrsOffsetX=0;else if(this.align=="center")this.hdrsOffsetX=Math.round((this.width-this.minWidth)/2);else if(this.align=="right")this.hdrsOffsetX=this.width-this.minWidth;else this.hdrsOffsetX=Math.min(parseInt(this.align,10),this.width-this.minWidth);moveLayerTo(this.hdrsBaseLayer,this.hdrsOffsetX,0);setBgColor(this.hdrsBaseLayer,this.borderColor);if(isMinIE4)navBarIEResizeLayer(this.hdrsBaseLayer,this.minWidth,this.height);clipLayer(this.hdrsBaseLayer,0,0,this.minWidth,this.height);inheritLayer(this.hdrsBaseLayer);for(i=0;i<this.menus.length;i++){this.menus.hdrDmmyLayer.index=this.index;this.menus.hdrDmmyLayer.offsetX=this.menus.hdrLeft-this.border;if(this.menus.hdrDmmyLayer.offsetX+this.menus.width>this.width)this.menus.hdrDmmyLayer.offsetX=this.menus.hdrRight-this.menus.width;this.menus.hdrDmmyLayer.offsetY=this.height-this.border;this.menus.hdrDmmyLayer.onmouseover=navBarHeaderOn;this.menus.hdrDmmyLayer.onmouseout=navBarHeaderOff;if(isMinNS4){this.menus.hdrDmmyLayer.document.highLayer=this.menus.hdrHighLayer;this.menus.hdrDmmyLayer.document.link=this.menus.items[0].link;this.menus.hdrDmmyLayer.document.captureEvents(Event.MOUSEUP);this.menus.hdrDmmyLayer.document.onmouseup=navBarItemClick;}if(isMinIE4){this.menus.hdrDmmyLayer.highLayer=this.menus.hdrHighLayer;this.menus.hdrDmmyLayer.link=this.menus.items[0].link;this.menus.
I will check it out