if(val!='home')
{
document.write('<div style="position:absolute;   width:100%; height:100%; background-color:#000000; z-index:10; text-align:center" id="dummyblack" ></div>');
document.getElementById("intro").style.display="block";
setTimeout(clr,2000);
}
function clr()
{
document.getElementById("dummyblack").style.display="none";
}