function changelang(lang) {
	var url = new String(document.location);
	var position;
	position = url.lastIndexOf("/");
	var docname = new String(url.substring(position + 1));
	document.location = "../" + lang + "/" + docname;
}

function winsize() {
	winheight = screen.availHeight - 30;
	if (screen.width <= 800) {
  		window.moveTo(0,0);
  		window.resizeTo(screen.availWidth,screen.availHeight);
	} else if (screen.width > 800 && screen.width <= 1280) {
  		window.resizeTo(900,winheight);
  		window.moveTo((screen.width - 900)/2, (screen.height - winheight)/2);
	} else {
  		window.resizeTo(900,900);
  		window.moveTo((screen.width - 950)/2, (screen.height - 900)/2);
	}
}

function printview() {
	var url = new String(document.location);
	var position;
	position = url.lastIndexOf("/");
	var docname = new String(url.substring(position + 1));
	var newurl = new String("print_" + docname);
	printwindow = window.open(newurl, "printwnd","toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=600");
	printwindow.focus();
}

function showimage() {
	var url = new String(document.location);
	var position;
	position = url.lastIndexOf("?");
	var image_src = new String(url.substring(position + 1));
	//SRC des Bildes auslesen und in image_src speichern
	document.partimage.src = "../images/gallery/" + image_src;	
}

function sendmail(address) {
	document.location = "mailto:" + address + "@proform.ch";
}