function ltb(uri) {
uri.target = '_blank';
}

jQuery.fn.extend({
/**
* Returns get parameters.
*
* If the desired param does not exist, null will be returned
*
* To get the document params:
* @example value = $(document).getUrlParam("paramName");
* 
* To get the params of a html-attribut (uses src attribute)
* @example value = $('#imgLink').getUrlParam("paramName");
*/ 
 getUrlParam: function(strParamName){
	  strParamName = escape(unescape(strParamName));
	  
	  var returnVal = new Array();
	  var qString = null;
	  
	  if ($(this).attr("nodeName")=="#document") {
	  	//document-handler
		
		if (window.location.search.search(strParamName) > -1 ){
			
			qString = window.location.search.substr(1,window.location.search.length).split("&");
		}
			
	  } else if ($(this).attr("src")!="undefined") {
	  	
	  	var strHref = $(this).attr("src")
	  	if ( strHref.indexOf("?") > -1 ){
	    	var strQueryString = strHref.substr(strHref.indexOf("?")+1);
	  		qString = strQueryString.split("&");
	  	}
	  } else if ($(this).attr("href")!="undefined") {
	  	
	  	var strHref = $(this).attr("href")
	  	if ( strHref.indexOf("?") > -1 ){
	    	var strQueryString = strHref.substr(strHref.indexOf("?")+1);
	  		qString = strQueryString.split("&");
	  	}
	  } else {
	  	return null;
	  }
	  	
	  
	  if (qString==null) return null;
	  
	  
	  for (var i=0;i<qString.length; i++){
			if (escape(unescape(qString[i].split("=")[0])) == strParamName){
				returnVal.push(qString[i].split("=")[1]);
			}
			
	  }
	  
	  
	  if (returnVal.length==0) return null;
	  else if (returnVal.length==1) return returnVal[0];
	  else return returnVal;
	}
});

	function show() {
		var code;
		var pref = '&#x6d;&#x61;&#x69;l' + '&#116;o'; 
		var attribut = 'hr' + 'ef' + '='; 
		var first = '%6B%67'; 
		var at = '%40'; 
		var last = '&#x67;&#x65;&#x72;&#x62;&#x6F;&#x64;&#x65;&#x2D;&#x70;&#x72;&#x2E;&#x64;&#x65;'; 
		var first2 = '&#x6B;g'; var at2 = '&#x40;'; var last2 = '&#103;&#101;&#114;&#98;&#111;&#100;&#101;&#45;&#112;&#114;&#46;&#100;&#101;'; 
		code = '<a ' + attribut + '\'' + pref + ':' + first + at + last + '\'>';
		code += '<img src="_img/mail.png" alt="schreiben Sie mir" /></a>';
		return code;
	}
	
	function showText() {
		var code;
		var pref = '&#x6d;&#x61;&#x69;l' + '&#116;o'; 
		var attribut = 'hr' + 'ef' + '='; var first = '%6B%67'; var at = '%40'; var last = '&#x67;&#x65;&#x72;&#x62;&#x6F;&#x64;&#x65;&#x2D;&#x70;&#x72;&#x2E;&#x64;&#x65;'; 
		var first2 = '&#x6B;g'; var at2 = '&#x40;'; var last2 = '&#103;&#101;&#114;&#98;&#111;&#100;&#101;&#45;&#112;&#114;&#46;&#100;&#101;'; 
		code = '<a ' + attribut + '\'' + pref + ':' + first + at + last + '\'>';
		code += first2 + at2 + last +'</a>';
		return code;
	}