// JavaScript Document
function showLogin()
{
	obj=document.getElementById('light');
	objfade=document.getElementById('fade')
	obj.style.display='block';
	objfade.style.display='block';
	
	var  winH =0;
	
	if (parseInt(navigator.appVersion)>3) {
		 if (navigator.appName=="Netscape") {
		  winH = window.innerHeight+window.scrollMaxY;
		 }
		 if (navigator.appName.indexOf("Microsoft")!=-1) {
		  winH = document.documentElement.scrollHeight;
		 }
	}


objfade.style.height=winH+"px";
//alert(objfade);
	document.getElementByName("username").focus();	
}
function hideLogin()
{
	obj=document.getElementById('light');
	objfade=document.getElementById('fade');
	obj.style.display='none';
	objfade.style.display='none';
}
function showPresentation()
{
	obj=document.getElementById('presentation');
	objfade=document.getElementById('fade_white')
	obj.style.display='block';
	objfade.style.display='block';


	var  winH =0;
	
	if (parseInt(navigator.appVersion)>3) {
		 if (navigator.appName=="Netscape") {
		  winH = window.innerHeight+window.scrollMaxY;
		  winH1=window.innerHeight;
		 }
		 if (navigator.appName.indexOf("Microsoft")!=-1) {
		  winH = document.documentElement.scrollHeight;
		  winH1=document.documentElement.clientHeight;
		 }
	}


objfade.style.height=winH+"px";
obj.style.height=winH1+"px";

a=obj.innerHTML;
obj.innerHTML=a;

obj11=document.getElementById("hhttmmll");
obj11.style.overflow="hidden";
}
function hidePresentation()
{
	obj=document.getElementById('presentation');
	objfade=document.getElementById('fade_white');
	obj.style.display='none';
	objfade.style.display='none';
	
	obj11=document.getElementById("hhttmmll");
	obj11.style.overflow="auto";
}