function checkrequired(which){
    var pass=true
    if (document.images){
        for (i=0;i<which.length;i++){
            var tempobj=which.elements[i]
            if (tempobj.name.substring(0,9)=="required_"){
                if ( ((tempobj.type=="text"||tempobj.type=="textarea")&& 
                      ((tempobj.value=='')||(tempobj.value=='Name')||(tempobj.value=='Email')||
                      (tempobj.value=='Phone')||(tempobj.value=='Question')||(tempobj.value=='Please choose a department')))
                  ||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)) {
                    pass=false
                    break
                }
            }
        }
    }
    if (!pass){
        alert("Please fill out all fields before submitting!")
        return false
    } else {
        document.contact.submit();
    }
}