// JavaScript Document
// Read a page's GET URL variables and return them as an associative array.
function gift_certificate() {
var vars = [], hash;
var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
for(var i = 0; i < hashes.length; i++)
{
      hash = hashes[i].split('=');
	  vars.push(hash[0]);
	  vars[hash[0]] = hash[1];
}


if(vars.Option_5) {
	vars.Option_5 = unescape(vars.Option_5.replace(/\+/g," "));
	
	if(vars.Option_5 == 'Dollar Amount \$20') {
	document.myform.Option_5[1].selected = true;
	}
	else if(vars.Option_5 == 'Dollar Amount \$30') {
	document.myform.Option_5[2].selected = true;
	}
	else if(vars.Option_5 == 'Dollar Amount \$40') {
	document.myform.Option_5[3].selected = true;
	}
	else if(vars.Option_5 == 'Dollar Amount \$50') {
	document.myform.Option_5[4].selected = true;
	}
}

if(vars.ProductID) {
	var message;
	var name = vars.ProductID;
	message=getCookie(name);
	if(message) {
	document.getElementById('Option_7').value = message;
	//document.write(message);
	document.getElementById('newcert').style.display = 'block';
	}
	else
	document.getElementById('Option_7').value = 'None';
}

if(vars.newcert) {
	var ran_number=Math.floor(Math.random()*1000);
	//document.write(ran_number);
	document.getElementById('ProductIDNumber').value = ran_number;
	}
	
if(vars.ProductID) {
	document.getElementById('ProductIDNumber').value = vars.ProductID;
	document.getElementById('ProductPurchase').value = 'Edit Gift Certificate';
	}
	
}

function setCookie(c_name,expiredays)
{
var value = document.getElementById('Option_7').value;
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
	var c_start, c_end;
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}



function newcert() {
	var name = document.getElementById('ProductIDNumber').value;
	setCookie(name,5);
}