function checkfile()
{
document.getElementById("fileid").checked = true;
} 
function checkurl()
{
document.getElementById("urlid").checked = true;
}
function showDiv(objectID) {
var theElementStyle = document.getElementById(objectID);

if(theElementStyle.style.display == "none")
{
theElementStyle.style.display = "block";
}
else
{
theElementStyle.style.display = "none";
}
}