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)=="q"){
if (((tempobj.type=="text"||tempobj.type=="textarea") && (tempobj.value == '' || tempobj.value == 'Enter Keywords')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1))){
pass=false
break
}
}
}
}
if (!pass){
alert("Please enter some keywords, then click GO!")
return false
}
else
return true
}