function changeImg(pos) {
	var imgFullElement = document.getElementsByName("imgFull")[0];
	var imgSmallElement = document.getElementsByName("imgSmall")[pos-1];

	var tmpImg = imgFullElement.src.split("graphik/");
	tmpImg = tmpImg[1].split(".");
	var smallImg = "graphik/" + tmpImg[0]+"_kl."+tmpImg[1];
	tmpImg = imgSmallElement.src.split("_kl.");
	
	imgSmallElement.src = smallImg;
	imgFullElement.src = tmpImg[0]+"."+tmpImg[1];
}

//function to check valid email address
function isValidEmail(strEmail){
  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
  strEmail = document.forms[0].email.value;

   	// search email text for regular exp matches
   	if(strEmail!=""){
	    if (strEmail.search(validRegExp) == -1) {
	    	alert('Sie haben eine ungültige E-Mail-Adresse eingegeben.\nBitte überprüfen Sie Ihre Eingabe.');
	    	return false;
	    } 
	    	return true; 
	}
}

function checkForm(form){
    validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
    strEmail = document.forms[0].email.value;
    strVname1 = document.forms[0].vname1.value;
    strNname1 = document.forms[0].nname1.value;
    strStreet1 = document.forms[0].street1.value;
    strZipcode1 = document.forms[0].zipcode1.value;
    strCity1 = document.forms[0].city1.value;
    strVname2 = document.forms[0].vname2.value;
    strNname2 = document.forms[0].nname2.value;
    strStreet2 = document.forms[0].street2.value;
    strZipcode2 = document.forms[0].zipcode2.value;
    strCity2 = document.forms[0].city2.value;

    if(strVname1=="" || strNname1=="" || strStreet1=="" || strZipcode1=="" || strCity1=="" || strVname2=="" || strNname2=="" || strStreet2=="" || strZipcode2=="" || strCity2==""){

        alert("Bitte füllen Sie alle Pflichtfelder aus.");
        return false;
    }
    if(strEmail==""){
    if (strEmail.search(validRegExp) == -1) {
	    	alert('Sie haben eine ungültige E-Mail-Adresse eingegeben.\nBitte überprüfen Sie Ihre Eingabe.');
	    	return false;
	    }
    }
    return true;
}


Normal1 = new Image();
Normal1.src = "graphik/index_outfits.jpg";
Highlight1 = new Image();
Highlight1.src = "graphik/index_outfits_grey.jpg";

Normal2 = new Image();
Normal2.src = "graphik/index_accessoires.jpg";
Highlight2 = new Image();
Highlight2.src = "graphik/index_accessoires_grey.jpg";

function Bildwechsel(Bildnr,Bildobjekt)
  {
     window.document.images[Bildnr].src = Bildobjekt.src;    
  }