/* <![CDATA[ */
		jQuery(document).ready(
		function(){
		
				jQuery('#simpleEstForm').bind('submit', function(){
				var isCalculateSubmit = jQuery("#divCalculator").is(":visible");				
				if(MY_FRI.validatePostcode() && isCalculateSubmit){
					jQuery("#divCalculator").hide();
					FRI.getTopTariff();
					jQuery("#friCalculator form").attr("target", "_blank");										
					return FRI.canContinue;	
				}	
				return false || !isCalculateSubmit;			
			});	
		});		
        
        
        jQuery(document).ready(
		    function(){		
    		    var postCodeLength = jQuery.trim(jQuery("#postcode").attr("value")).length;
	    	    if (postCodeLength > 0){
		            jQuery("#friCalculator #calculate").focus();
			    }
			    FRI.openLinksInNewWindow();		
		});
		
	    var FRI = {
	    openLinksInNewWindow: function() {
	        jQuery("#friCalculator a").attr("target", "_blank");
	    },
		canContinue: false,
		getTopTariff: function () {
			try {
			var postCode = jQuery("#PostCode").attr("value");
			var usage;
			 if(jQuery("#usage_low").attr("checked")){
			 	usage = 'low';
			 }
			 else if(jQuery("#usage_high").attr("checked")){
			 	usage = 'high';
			 }
			 else{
			 	usage = 'medium';
			 }				
			jQuery.getJSON("http://www.energyhelpline.com/api/calculator/simpleestimator?version=1.1&apikey=8DC06678-4A44-365C-91FF-930754689A77&SimpleUsage=" + usage + "&callback=?&postcode=" + postCode,
				function(data){
					jQuery("#result").empty();
					
					var result;
					if(typeof data.Errors !== "undefined" || data.BestDualFuelSupplierTariffName == null) {
						result = "<div id='unableToGetQuickDeal'><p>We weren't able to find your cheapest deal using our quick calculator.</p><p>Click continue to visit our energy homepage for a fuller comparison.</p></div>";
						jQuery("#simpleEstForm").append(result);
						jQuery("#simpleEstForm").append(jQuery("<input />").attr("type", 'submit').attr('title', 'Continue to find the best deal based on your current energy supply and usage').attr("value", 'Continue').attr('id', 'continue'));
						FRI.canContinue = true;
					}
					else {
						result = "<h3>We expect your cheapest deal to be:</h3>";
		                result += "<p class='tariffName'>" + data.BestDualFuelSupplierTariffName;
		                result += "<img src='http://www.energyhelpline.com/Uploads/SupplierLogos/" + data.BestDualFuelSupplierLogo + "' title ='" + data.BestDualFuelSupplierTariffName + "' alt='" + data.BestDualFuelSupplierTariffName + "' class ='tariffLogo' /></p>";
						result += "<p id='savings'>This could save you: <span>&pound;";	
						result += parseInt(data.DefaultElectricityCost, 10) + parseInt(data.DefaultGasCost, 10) - parseInt(data.BestGasTariffCost, 10) - parseInt(data.BestElecTariffCost, 10);
						result += "</span></p>";
	
						jQuery("#simpleEstForm").append(result);
						jQuery("#simpleEstForm").append(jQuery("<input />").attr("type", 'submit').attr('title', 'Continue to find the best deal based on your current energy supply and usage').attr("value", 'Continue').attr('id', 'continue'));
						FRI.canContinue = true;
					}
					jQuery("#friCalculator #continue").focus();
				});
			}
            catch (e) {
                alert('Error in getting top tariff data: ' + e);
            }
		}
		};
		
	var MY_FRI = {
			validatePostcode: function () {
			
			try {
			
			var postCode = jQuery("#PostCode");
			var postCodeLength = jQuery.trim(jQuery("#PostCode").attr("value")).length;
			
			postCode.next().empty();
			if (postCodeLength == 0) {							
				var span = jQuery("<span />").html('Postcode is required').addClass('errorMessage');					
				jQuery(span).insertAfter(postCode);
				return false;
			}
			
			else 
				if (postCodeLength > 4 && postCodeLength < 9) {
				    var pcode = jQuery.trim(jQuery("#PostCode").attr("value").toUpperCase());				
                    var rx = /[A-Z]{1,2}[0-9R][0-9A-Z]? *[0-9][A-Z]{2}/ ;
                    var matches = rx.exec(pcode) ;
                    if(matches === null) {
  						var span = jQuery("<span />").text('Invalid postcode').addClass('errorMessage');
						jQuery(span).insertAfter(postCode);
						return false;
                  	}
                    return (matches != null && pcode == matches[0]) ;
				}
				else {														
					var span = jQuery("<span />").text('Invalid postcode').addClass('errorMessage');
					jQuery(span).insertAfter(postCode);
					return false;
				}		
			}
            catch (e) {
                alert('Error in getting the postcode: ' + e);
            }
		}
		};
		
/* ]]> */