function checkContactForm() {
        //mail1=document.formulaire.email1.value;
        //mail2=document.formulaire.email2.value;
        //snm=document.formulaire.nom1.value;
        //rnm=document.formulaire.nom2.value;
        //sub=document.formulaire.sujet.value;
        if(document.form1.name.value == "")  {alert("Please input your name.");document.form1.name.focus();return false;}
        if(document.form1.email.value.length < 5) {alert("Please input valid Email.");document.form1.email.focus();return false;}
        if(document.form1.tele.value == "")  {alert("Please input your phone.");document.form1.tele.focus();return false;}
        if(document.form1.desc.value == "")  {alert("Please input your content."); document.form1.desc.focus();return false;}
        return true;
}