var OpenLink=""
function test()
{
alert("yes")
}

function ShowLink(x)
{ 
if(OpenLink!="") document.getElementById(OpenLink).style.display="none";	//closes  open Link
if(OpenLink!=x)									// opens Link unless just closed
{
document.getElementById(x).style.display="block";    
OpenLink=x;
}
else OpenLink="";								// no Links open
} 

var queryString=location.search.substring(1);
if (queryString) 
{
var LinkID=(queryString.split("=")[1]);
OpenLink=LinkID;
document.write("<style type='text/css'>#"+LinkID+"{display:block}</style>");
}