function ichange (elmN, elmH)
{
	document.getElementById(elmN).src = document.getElementById(elmH).src;
}
function HideShow(e1,e2)
{

    document.getElementById(e1).style.display = "none";
	document.getElementById(e2).style.display = "block";
}
function popwindow1(url)
{
    var newwindow=window.open(url,'name','height=300,width=500');
	    if (window.focus) {newwindow.focus()}
}
function popwindow2(url)
{
    var newwindow=window.open(url,'name','height=600,width=800');
	    if (window.focus) {newwindow.focus()}
}