function init(){
/*	Darstellung von PNGs im WinIE */
	if(browser.isIE && browser.isWin && browser.versionMinor >= 5.5 && browser.versionMinor < 7) {
		correctPNG("id", "png", "div", "relative");
	}
}

function correctPNG(type, name, nodetype, position) {
	if(type == "id") {
		var elName = document.getElementById(name);
		if(elName) {
			replacePNGCode(elName, position);
		}
	} else if(type == "class") {
		var elNames = document.getElementsByTagName(nodetype);
		if(elNames) {
			for(var j=0; j < elNames.length; j++) {
				var elName = elNames[j];
				if(elName.className == name) {
					replacePNGCode(elName, position);
				}
			}
		}
	}
}

function replacePNGCode(elName, position) {
	var imgs = elName.getElementsByTagName("img");
	for(var i=0; i < imgs.length; i++) {
		var img = imgs[i];
		if(img.parentNode.className != "print") {
			var strNewHTML = "<div";
			strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;";
			strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader";
			strNewHTML += "(src=\'" + img.src + "\', sizingMethod='scale');\"></div>";
			img.outerHTML = strNewHTML;
			i--;
		}
	}
}
$(document).ready(function() {
    $('.clearFeld').click(function () { 
      var name = $(this).attr('name'); 
      if(name == 'email' && this.form.email.value == 'Ihre Email-Adresse'){
        this.form.email.value = ""; 
      }
      else if(name == 'betreff' && this.form.betreff.value == 'Betreff'){
         this.form.betreff.value = ""; 
      }
      
      else if(name == 'nachricht' && this.form.nachricht.value == 'Ihre Nachricht'){
         this.form.nachricht.value = ""; 
      }
    });
});