function fixPNG(myImage)
   {
    if (window.ie55up)
	 {
	 var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	 var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	 var imgTitle = (myImage.title) ? "title='" + myImage.title + "' " : "title='" + myImage.alt + "' "
	 var imgStyle = "display:inline-block;" + myImage.style.cssText 
	 var strNewHTML = "<span " + imgID + imgClass + imgTitle
	 strNewHTML += " style=\"" + "width:" + myImage.width + "px; height:" + myImage.height + "px;" + imgStyle + ";"
	 strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
	 strNewHTML += "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>" 
	 myImage.outerHTML = strNewHTML
	 }
   }

	RE_Name = new RegExp("^.+", "i");
	RE_email = new RegExp("^[a-zA-Z0-9\\-.%]+@([a-zA-Z0-9\\-.%]{2,}?\\.)+[a-zA-Z]{2,4}$");
	
function chkFormular() {
	
	if( !RE_Name.test(document.kontaktform.firma.value) || !RE_Name.test(document.kontaktform.ansprechpartner.value) || 
	!RE_email.test(document.kontaktform.email.value)) {
		document.getElementById('error').style.display='block';
		return false;
	} else {
		return true;
	}
}