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(0,3)=="req"){
if (((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="password")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
pass = false
break
}
}
}
}

if (!pass)
{
alert("One or more of the fields have not been filled out correctly. Please check and try again")
return false
}
else
return true
}