// ab- und anstellen ------------------------------
function imgon(who){
	document.getElementById(who).style.visibility = "visible";
}
function imgof(who){
	document.getElementById(who).style.visibility = "hidden";
}

/* safemail func */
function safemail(name, domain, display, linkclass) {
	displayed=(typeof(display)=="undefined") ? name+"@"+domain : display
	document.write('<a class='+linkclass+' href=mailto:' + name + '@' + domain + '>' + displayed + '</a>');
}


function redirect_to (url) {
	location.href=url;
	return true;
}

function popup(theURL,winName,winWidth,winHeight) {
	var winl = (screen.width - winWidth) / 2;
	var wint = (screen.height - winHeight) / 2;
	winName = window.open(theURL,winName,'width='+winWidth+',height='+winHeight+',top='+wint+',left='+winl+',toolbar=no,statusbar=no,location=no,menubar=no,scrollbars=no,resizable=no');
	winName.focus();
}