/*
Check required form elements script needs onSubmit="return checkrequired(this)" in form tag
and name="requiredNAME" in input tag
*/

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(0,8)=="required"){
if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
pass=false
break
}
}
}
}
if (!pass){
// text to be shown in alert message
alert("Bitte die Felder: Vorname, Name und Telefon ausfüllen!")
return false
}
else
return true
}