function newWindow(newContent,winName) {
	winLeft=((screen.width-780)/2);
	winTop=((screen.height-600)/2);
	winContent = window.open( newContent, winName, 'left='+winLeft+', top='+winTop+',width=780,height=550,locationbar=no,menubar=no,personalbar=no,statusbar=no,toolbar=no,scrollbars=yes,resizable=no')         
	winContent.focus();
}

function selecturl(s) {
	var gourl = s.options[s.selectedIndex].value;	window.top.location.href = gourl;
}