function Check(form){	

if(form.CompanyName.value==""){
alert("Pleaes input Company Name!");
return false;
}

if(form.ContactPerson.value==""){
alert("Please input Contact Person Name!");
return false;
}

if (form.varE.value.indexOf("@",0)<0 || form.varE.value == ""){
alert("Please input the valid E-Mail address!");
return false;
}

}//end form check function