// Rollover-Bilder vorladen -----------------------------------------------------------------------------------------
function BilderVorladen()
{
    document.Vorladen = new Array();

    if(document.images)
    {
        for(var i = 0; i < BilderVorladen.arguments.length; i++)
        {
            document.Vorladen[i] = new Image();
            document.Vorladen[i].src = BilderVorladen.arguments[i];
        }
    }
};

function validEmail(email) {
         var strReg = "^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$";
         var regex = new RegExp(strReg);
         return(regex.test(email));
}