function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_validateForm() { //v3.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=args[i+1]; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (val!=''+num) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } 
	//if (errors) alert('The following error(s) occurred:\n'+errors);
	//document.MM_returnValue = (errors == '');
	return errors;
}

function getInput() {
	var m =  MM_validateForm('u_fname','First Name','R','u_lname','Last Name','R','u_email','Email','RisEmail','u_phone','Contact Phone','R','d_concert_name','Concert','R');
	
	if(m.length == 0) {
		var btn = document.getElementById("btnSubmit");
		btn.value = "Submitting, please wait...";
		btn.disabled = true;
		
		fname = document.getElementById('u_fname');
		lname = document.getElementById('u_lname');
		email = document.getElementById('u_email');
		phone = document.getElementById('u_phone');
		news = document.getElementById('d_newsletter');
		concert = document.getElementById('d_concert_name');
//		if(news.value.length == 0) { news.value = 0; }
		
		sendRegistration("/main/sendReg_livenation.cfm",'fn='+escape(fname.value)+'&ln='+escape(lname.value)+'&p='+escape(phone.value)+'&e='+escape(email.value)+'&n='+news.value+'&c='+concert.value,showDone);
	} else {
		alert(m);
	}
}

function sendRegistration(dataSource, data, callback)
{
	var XMLObj = false;
	if(window.XMLHttpRequest) {
		XMLObj = new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		XMLObj = new ActiveXObject("Microsoft.XMLHTTP"); 
	}

	if(XMLObj) {
		XMLObj.open("POST",dataSource);
		XMLObj.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		//XMLObj.open("GET",dataSource);
	
		XMLObj.onreadystatechange = function() {
			if(XMLObj.readyState == 4 && XMLObj.status == 200) {
				callback(XMLObj.responseText);
				delete XMLObj;
				XMLObj = null;
			}
		}
		XMLObj.send(data);
		//XMLObj.send(null);
	}						
}

function showDone() {
//	document.getElementById("regForm").reset();
	document.getElementById('u_fname').value = '';
	document.getElementById('u_lname').value = '';
	document.getElementById('u_email').value = '';
	document.getElementById('u_phone').value = '';

	alert("Thanks for your entering!\nGood Luck!.");
	var btn = document.getElementById("btnSubmit");
	btn.value = "Enter to Win >";
	btn.disabled = false;
}


/*function addToCart() {
	var args = addToCart.arguments;
	var numArgs = args.length;
	var inv = args[0];
	var qty = document.getElementById(args[1]).value;
	addToCartAJAX('/main/flexAdd.cfm','i='+inv+'&q='+qty,updateButton);
	document.getElementById('tag_'+inv).style.display = '';
}*/