function checkForm(){

var form=document.forms[0];
var required=form['required'].value;
var required_fields=required.split(',');
error_msg='';
for(var i=0;i<required_fields.length;i++){
var field_name=required_fields[i];
if(form[field_name].style){
form[field_name].style.backgroundColor='#fff';}
var val=form[field_name].value;
val=val.replace(/ /g,'');
if(!val){if(form[field_name].style){
form[field_name].style.backgroundColor='#ffc';}
error_msg+=field_name.replace(/_/g,' ')+',';
}}
if(error_msg){alert('Please complete these fields:\n'+error_msg);return false;}

var exp= new Date();
var expire_time=exp.getTime()+2678400;
exp.setTime(expire_time);
var exp1=exp.toGMTString();

var first=form['First'].value;
var last=form['Last'].value;
var fl=first+' '+last;
document.cookie="tuicookie="+escape(fl)+"; expires="+ exp1+"; path=/";

return true;
}