var detect=navigator.userAgent.toLowerCase();var OS,browser,version,total,thestring;function getBrowserInfo(){if(checkIt('konqueror')){browser="Konqueror";OS="Linux";}
else if(checkIt('safari'))browser="Safari"
else if(checkIt('omniweb'))browser="OmniWeb"
else if(checkIt('opera'))browser="Opera"
else if(checkIt('webtv'))browser="WebTV";else if(checkIt('icab'))browser="iCab"
else if(checkIt('msie'))browser="Internet Explorer"
else if(!checkIt('compatible')){browser="Netscape Navigator"
version=detect.charAt(8);}
else browser="An unknown browser";if(!version)version=detect.charAt(place+thestring.length);if(!OS){if(checkIt('linux'))OS="Linux";else if(checkIt('x11'))OS="Unix";else if(checkIt('mac'))OS="Mac"
else if(checkIt('win'))OS="Windows"
else OS="an unknown operating system";}}
function checkIt(string){place=detect.indexOf(string)+1;thestring=string;return place;}
Event.observe(window,'load',initialize,false);Event.observe(window,'load',getBrowserInfo,false);var lightbox=Class.create();lightbox.prototype={yPos:0,xPos:0,initialize:function(ctrl){this.content=ctrl.rel;Event.observe(ctrl,'click',this.activate.bindAsEventListener(this),false);ctrl.onclick=function(){return false;};},activate:function(){if(browser=='Internet Explorer'){this.getScroll();this.prepareIE('100%','hidden');this.setScroll(0,0);this.hideSelects('hidden');}
this.displayLightbox("block");},prepareIE:function(height,overflow){bod=document.getElementsByTagName('body')[0];bod.style.height=height;bod.style.overflow=overflow;htm=document.getElementsByTagName('html')[0];htm.style.height=height;htm.style.overflow=overflow;},hideSelects:function(visibility){selects=document.getElementsByTagName('select');for(i=0;i<selects.length;i++){selects[i].style.visibility=visibility;}},getScroll:function(){if(self.pageYOffset){this.yPos=self.pageYOffset;}else if(document.documentElement&&document.documentElement.scrollTop){this.yPos=document.documentElement.scrollTop;}else if(document.body){this.yPos=document.body.scrollTop;}},setScroll:function(x,y){window.scrollTo(x,y);},displayLightbox:function(display){$('overlay').style.display=display;$(this.content).style.display=display;if(display!='none')this.actions();},actions:function(){lbActions=document.getElementsByClassName('lbAction');for(i=0;i<lbActions.length;i++){Event.observe(lbActions[i],'click',this[lbActions[i].rel].bindAsEventListener(this),false);lbActions[i].onclick=function(){return false;};}},deactivate:function(){if(browser=="Internet Explorer"){this.setScroll(0,this.yPos);this.prepareIE("auto","auto");this.hideSelects("visible");}
this.displayLightbox("none");}}
function initialize(){addLightboxMarkup();lbox=document.getElementsByClassName('lbOn');for(i=0;i<lbox.length;i++){valid=new lightbox(lbox[i]);}}
function addLightboxMarkup(){bod=document.getElementsByTagName('body')[0];overlay=document.createElement('div');overlay.id='overlay';bod.appendChild(overlay);}