// JavaScript Document
function opencat(cat)
{
   if(document.getElementById(cat).style.display=="none")
   {
	
	var o=document.getElementsByTagName("div");   
	for(i=0;i<o.length;i++)   
	{     
	  if(o[i].id != ("news_title" || "news_more")){
		  o[i].style.display="none";
	  }
	}   
	
   document.getElementById(cat).style.display="";
   	document.getElementById('demo').style.display=""; 
	document.getElementById('demo1').style.display="";
	document.getElementById('demo2').style.display="";
	document.getElementById('certs').style.display="";
   }
   else
   {
   document.getElementById(cat).style.display="none"; 
   	document.getElementById('demo').style.display=""; 
	document.getElementById('demo1').style.display="";
	document.getElementById('demo2').style.display="";
	document.getElementById('certs').style.display="";
   }
}

function opencat2(cat1,cat2)
{
   if(document.getElementById(cat1).style.display=="none")
   {
	
	var o=document.getElementsByTagName("div");   
	for(i=0;i<o.length;i++)   
	{     
	  if(o[i].id != ("news_title" || "news_more")){
		  o[i].style.display="none";
	  }
	}   
	document.getElementById(cat2).style.display="";
   document.getElementById(cat1).style.display="";
   }
   else
   {
	document.getElementById(cat2).style.display="";
   document.getElementById(cat1).style.display="none"; 
   }
}

function opencat3(cat1,cat2,cat3)
{
   if(document.getElementById(cat1).style.display=="none")
   {
	
	var o=document.getElementsByTagName("div");   
	for(i=0;i<o.length;i++)   
	{     
	  if(o[i].id != ("news_title" || "news_more")){
		  o[i].style.display="none";
	  }
	}
	document.getElementById(cat3).style.display="";
	document.getElementById(cat2).style.display="";
	document.getElementById(cat1).style.display="";
   }
   else
   {
	document.getElementById(cat3).style.display="";
	document.getElementById(cat2).style.display="";
	document.getElementById(cat1).style.display="none"; 
   }
}