function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=500 ,height=450,left = 540,top = 412');");
}

function jumping(theForm,evt){
evt = (evt) ? evt : window.event;
//alert(evt.keyCode);
	if (evt.keyCode == 13) {
		if (theForm.nav_menu.options[theForm.nav_menu.selectedIndex].value != "none") {
			location = theForm.nav_menu.options[theForm.nav_menu.selectedIndex].value
			theForm.nav_menu.selectedIndex = 0;	
		}
	}
}
function nav_go(theForm){
	if (theForm.nav_menu.options[theForm.nav_menu.selectedIndex].value != "none") {
		location = theForm.nav_menu.options[theForm.nav_menu.selectedIndex].value
		theForm.nav_menu.selectedIndex = 0;	
	}
}