function it_closeOverlays(){var a=it_getElementsByClass("overlayctrl");for(var b in a)a[b].style.display="none";document.getElementById("overlay").style.display="none"}function it_getWindowSize(){var a=[0,0];if(window.innerWidth){a[0]=window.innerWidth;a[1]=window.innerHeight}else if(document.documentElement&&document.documentElement.clientWidth){a[0]=document.documentElement.clientWidth;a[1]=document.documentElement.clientHeight}else if(document.body){a[0]=document.body.clientWidth;a[1]=document.body.clientHeight}return a}function it_getTotalSize(){var a=[0,0];a[0]=document.documentElement.scrollWidth;a[1]=document.documentElement.scrollHeight;if(document.documentElement.clientHeight>a[1]){a[0]=document.documentElement.clientWidth;a[1]=document.documentElement.clientHeight}if(document.body.scrollHeight>a[1]){a[0]=document.body.scrollWidth;a[1]=document.body.scrollHeight}return a}function Overlay(g,h,b){var c=document.getElementById(h).parentNode,a=document.getElementById("overlay");if(!g){c.style.display="none";if(a!=null)a.style.display="none"}else{$(document).scrollTop(0);c.style.display="";a.style.display="";var d=it_getWindowSize()[1],e=c.clientHeight;if(d>e)c.style.paddingTop=Math.round((d-e)/3)+"px";if(b===undefined)b=40;a.style.filter="alpha(opacity="+b+")";b=b/100;a.style.opacity=b;a.style.MozOpacity=b;a.style.KhtmlOpacity=b;var f=it_getTotalSize();a.style.width=f[0]+"px";a.style.height=f[1]+"px"}return false}