function hoverEffekt(obj,von,zu)
{
 if (obj)
 { 
   obj.src=obj.src.replace(von, zu);

 }  
}
function insertRule(ss, selector, rule, position) {
	if(ss.insertRule)
	ss.insertRule(selector + '{' + rule + '}', position);
	else if(ss.addRule)
	ss.addRule(selector, rule);
}

var FontSize = 12

function ChangeFontSize(x)
{
	var theRules = new Array();
	var ss = document.styleSheets[1];
	if (ss.cssRules)
		theRules = ss.cssRules;
	else if (ss.rules)
		theRules = ss.rules;

	FontSize += x
	insertRule(ss, '#content *', 'font-size: '+FontSize+'px;', theRules.length);
	insertRule(ss, '#start_content *', 'font-size: '+FontSize+'px;', theRules.length);
}

var akt='';

function show(x) {
  if (akt!='') {

    var o=document.getElementById('sub'+akt);
    if (o){o.style.display='none';}
  }
 akt=x;
 var s=document.getElementById('sub'+x);
 if (s){s.style.display='block';}
 else {return true;} //href wird ausgeführt
 return false;
  
}


function getAdr(prefix, postfix, lnkparam, lnktxt) {
	lnktxt = lnktxt.replace(/TMPL_MAIL/, prefix + '@' + postfix);
	document.write('<a ' + lnkparam + ' href="mailto:' + prefix + '@' + postfix + '">' + lnktxt);
}


var sel;
function HideSelects(x,y,w,h) {
	if(xIE4Up && !xMac) {
		var selx, sely, selw, selh, i
		if(!sel)
			sel = document.getElementsByTagName("SELECT");
		for(i = 0; i < sel.length; i++) {
			selx = xPageX(sel[i]);
			sely = xPageY(sel[i]);
			selw = sel[i].offsetWidth;
			selh = sel[i].offsetHeight;
			sel[i].style.visibility = (selx + selw > x && selx < x + w && sely + selh > y && sely < y + h) ? "hidden" : "visible";
		}
	}
}