function init(tn, hn){
		var cwidth = 950;
		var cheight = 580;
		var iwidth;
		var iheight;
		/* if (!window.innerWidth){
			iwidth = document.documentElement.clientWidth;
			iheight = document.documentElement.clientHeight;
		}
		else {
			iwidth = window.innerWidth;
			iheight = window.innerHeight;
		}
		if (iwidth > cwidth){
			document.getElementById("content").style.left = parseInt((iwidth - cwidth) / 2) + "px";
		} */
		/* if (iheight > cheight){
			document.getElementById("content").style.top = parseInt((iheight - cheight) / 2) + "px";
		} */
		
		if (tn > 0) {
			tn--;
			document.getElementsByName("tn")[tn].id = "active";
		}
		if (hn > 0) {
			hn--;
			document.getElementsByName("hn")[hn].id = "active";
		}
		
		
	}//init()

function checkBeforeSubmit(){
	var msg = "Bitte machen Sie noch folgende Angaben:\n";
	var okay = true;
	
	if (document.contact.Name.value == ""){
		msg = msg + "Ihren Namen oder Firmennamen\n";
		okay = false;
	}
	if (document.contact.Mailadresse.value == ""){
		msg = msg + "Ihre eMail-Adresse\n";
		okay = false;
	}
	if (document.contact.Betreff.value == ""){
		msg = msg + "Einen Betreff\n";
		okay = false;
	}
	if (document.contact.Nachricht.value == ""){
		msg = msg + "Einen Nachrichten- oder Anfragetext\n";
		okay = false;
	}
	if (okay == true){
		document.contact.submit();
	}
	else {
		alert(msg);
	}
}//checkBeforeSubmit