function openwindow(url,wname) {
	if (wname=='') {
		wname=url.replace(/[^a-z0-9_]/gi,'');
	}
	tmpwin=window.open(url,wname,'location=no,resizable=yes,status=no,directories=no,menubar=yes,toolbar=no,scrollbars=yes,width=750,height=560,screenX='+(screen.availWidth-750)/2+',screenY='+(screen.availHeight-560)/2);
//	tmpwin=window.open(url,wname,'location=no,resizable=yes,status=no,directories=no,menubar=no,toolbar=no,scrollbars=yes,screenX=10,screenY=10,width='+(screen.availWidth-20)+',height='+(screen.availHeight-40));
	tmpwin.focus();
	return false;
}

function setCookie(title) {
	document.cookie = "stylesheet=" + title;
}

function setActiveStyleSheet(title) {

   var i, a, main;

   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {

     if(a.getAttribute("rel").indexOf("style") != -1

        && a.getAttribute("title")) {

       a.disabled = true;

       if(a.getAttribute("title") == title) a.disabled = false;

     }

   }
	 setCookie(title);
}