function shownbt()
{
		   if(document.getElementById("trNational").style.display=="none")
		   {
		   document.getElementById("trNational").style.display="inline";
		   document.getElementById("trDir").style.display="inline";
		   
		   }
		   else
		   {
		   document.getElementById("trNational").style.display="none";
		   document.getElementById("trDir").style.display="none";
		   }
}

function showSites() {
   if(document.getElementById("trsites").style.display=="none" &&  document.getElementById("trhr1").style.display=="none"&& document.getElementById("trhr2").style.display=="none")
   {
   document.getElementById("trsites").style.display="inline"
   document.getElementById("trhr1").style.display="inline"
   document.getElementById("trhr2").style.display="inline"
   
   }
   else
   {
   document.getElementById("trsites").style.display="none"
    document.getElementById("trhr1").style.display="none"
	document.getElementById("trhr2").style.display="none"
   }
}

function  showPublications()
{
	 if(document.getElementById("trp2").style.display=="none")
	 document.getElementById("trp2").style.display="inline"
	 else
	 document.getElementById("trp2").style.display="none"
}
	 
function  showLexical()
{
	 if(document.getElementById("trl2").style.display=="none")
	 document.getElementById("trl2").style.display="inline"
	 else
	 document.getElementById("trl2").style.display="none"
}

function openGallery()

{
	   
	window.open('./images/Image slideshow.swf','','left=300 top=350 width=350 height=300 resizable=no');
		  
}
 
 /*function searchKeyPress(e)
 {
               
	if (window.event) 
	{ 
		e = window.event; 
	}
	if (e.keyCode == 13)
	{
		document.getElementById('btnScholar').click();
	}
 }*/