function openPopup(target, width, height) {
		popupWindow = window.open(target, "popupWindows", "scrollbars=yes,toolbar=no,status=no,location=no,menubar=no,resizable=no,width=" + width + ",height=" + height);
		popupWindow.focus();
	}

	function LTrim(str){
		var whitespace = new String(" \t\n\r ");
		var s = new String(str);
		if (whitespace.indexOf(s.charAt(0)) != -1) {
			var j=0, i = s.length;
			while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
			j++;
			s = s.substring(j, i);
		}
		return s;
	}

	function RTrim(str){
		var whitespace = new String(" \t\n\r ");
		var s = new String(str);
		if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
			var i = s.length - 1; // Get length of string
			while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
			i--;
			s = s.substring(0, i+1);
		}
		return s;
	}

	function Trim(str){
		return RTrim(LTrim(str));
	}

	function submitSiteSearch(){
		var tmpStr = document.forms.site_search_form.searchterms.value;
		tmpStr = Trim(tmpStr);
		if(tmpStr.charAt(0)=='"' && tmpStr.charAt(length)=='"'){
			var searchterms = tmpStr;
		}else{
			var searchterms = tmpStr.split(" ");
		}
		var popup_url = encodeURI('http://www.grundvers.de/popup_search.'+ searchterms +'.html');
		if(searchterms != ""){
			openPopup(popup_url, 548, 560);
		}else{
			alert ("Bitte geben Sie einen Suchbegriff ein!");
			document.forms.site_search_form.searchterms.focus();
		}
	}