function openwin(url,width,height,option) {
	if(!option) option = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizeable=1';
	if(!height) height=410;	if(!width) width=560;
	option += ',width='+width+',height='+height;
	option += ',left='+((screen.width-width)/2)+',top='+((screen.height-height)/2);
	// Fensternamen aus Dateinamen erzeugen
	var name = new String(url);
	if(name.indexOf("?")>-1) name = name.substr(0,name.indexOf("?"));
	if(name.indexOf("/")>-1) name = name.substr(name.lastIndexOf("/")+1);
	if(name.indexOf(".")>-1) name = name.substr(0,name.indexOf("."));
	var newwin = window.open(url,name,option);
	newwin.focus();
}

function setCookie(data,prefix) {
	if(!prefix) prefix="";
	document.cookie = prefix + "JSRedSYS=" + escape(data);
}
function getCookie(prefix) {
	if(!prefix) prefix="";
	var varname = String(prefix+"JSRedSYS=");
	var cookies = String(document.cookie);
	var cookieArray = cookies.split(";");
	for(i=0;i<cookieArray.length;i++) {
		if(cookieArray[i].substr(0,varname.length).indexOf(varname)>-1)
			return unescape(cookieArray[i].substr(varname.length));
	}
	return false;
}