var disappeardelay=250;var horizontaloffset=2;var browser=navigator.appName;function getposOffset(d,c){var b=(c=="left")?d.offsetLeft:d.offsetTop;var a=d.offsetParent;while(a!=null){b=(c=="left")?b+a.offsetLeft:b+a.offsetTop;a=a.offsetParent}return b}function showhide(d,c,f,b,a){if(ie4||ns6){dropmenuobj.style.left=dropmenuobj.style.top=-500}dropmenuobj.widthobj=dropmenuobj.style;dropmenuobj.widthobj.width=a;if(c.type=="click"&&d.visibility==b||c.type=="mouseover"){d.visibility=f}else{if(c.type=="click"){d.visibility=b}}}function iecompattest(){return(document.compatMode&&document.compatMode!="BackCompat")?document.documentElement:document.body}function clearbrowseredge(e,c){var b=0;if(c=="rightedge"){var d=ie4&&!window.opera?iecompattest().scrollLeft+iecompattest().clientWidth-15:window.pageXOffset+window.innerWidth-15;dropmenuobj.contentmeasure=dropmenuobj.offsetWidth;if(d-dropmenuobj.x-e.offsetWidth<dropmenuobj.contentmeasure){b=dropmenuobj.contentmeasure+e.offsetWidth}}else{var a=ie4&&!window.opera?iecompattest().scrollTop:window.pageYOffset;var d=ie4&&!window.opera?iecompattest().scrollTop+iecompattest().clientHeight-15:window.pageYOffset+window.innerHeight-18;dropmenuobj.contentmeasure=dropmenuobj.offsetHeight;if(d-dropmenuobj.y<dropmenuobj.contentmeasure){b=dropmenuobj.contentmeasure-e.offsetHeight;if((dropmenuobj.y-a)<dropmenuobj.contentmeasure){b=dropmenuobj.y}}}return b}function populatemenu(a){if(ie4||ns6){dropmenuobj.innerHTML=a.join("")}}function dropdownmenu(c,b,d,a){if(window.event){event.cancelBubble=true}else{if(b.stopPropagation){b.stopPropagation()}}clearhidemenu();dropmenuobj=document.getElementById?document.getElementById("dropmenudiv"):dropmenudiv;populatemenu(d);if(ie4||ns6){showhide(dropmenuobj.style,b,"visible","hidden",a);dropmenuobj.x=getposOffset(c,"left");dropmenuobj.y=getposOffset(c,"top");dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(c,"rightedge")+c.offsetWidth+horizontaloffset+"px";dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(c,"bottomedge")+"px"}return clickreturnvalue()}function clickreturnvalue(){if(ie4||ns6){return false}else{return true}}function contains_ns6(d,c){while(c.parentNode){if((c=c.parentNode)==d){return true}}return false}function dynamichide(a){if(ie4&&!dropmenuobj.contains(a.toElement)){delayhidemenu()}else{if(ns6&&a.currentTarget!=a.relatedTarget&&!contains_ns6(a.currentTarget,a.relatedTarget)){delayhidemenu()}}}function hidemenu(a){if(typeof dropmenuobj!="undefined"){if(ie4||ns6){dropmenuobj.style.visibility="hidden"}showselect()}}function delayhidemenu(){if(ie4||ns6){delayhide=setTimeout("hidemenu()",disappeardelay)}}function clearhidemenu(){if(typeof delayhide!="undefined"){clearTimeout(delayhide)}}function showselect(){if(browser=="Microsoft Internet Explorer"){if(document.getElementById("searchform")){var a=document.getElementById("searchform").SEARCH_CATALOG_ID;if(a!=null&&a.style.visibility=="hidden"){a.style.visibility="visible"}}}};