function windowOpen(URL) {

	var theWindow = window.open(URL,'EPhotoSiteWindow','menubar=yes,width=750,height=520,top='+screen.availTop+',left='+screen.availLeft+',resizable,scrollbars=yes');
	theWindow.focus();

}
function photoOpen(URL,Width,Height) {

	var theWindow = window.open(URL,'EPhotoSitePhotoWindow','menubar=yes,width=' + Width + ',height=' + Height + ',top='+screen.availTop+',left='+screen.availLeft+',resizable,scrollbars=yes');
	theWindow.focus();

}
//This blocking function is used for hidding and showing blocks of HTML 
function blocking(nr)
{
	if (document.all)
	{
		current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
		document.all[nr].style.display = current;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = vista;
	}
}