$(document).ready(function(){

	var pricelist = new Array();
	var steaks = new Array();
	
	pricelist[2] = '3.99';
	pricelist[3] = '4.49';
	pricelist[4] = '4.49';
	pricelist[5] = '3.69';
	pricelist[6] = '15.99';
	pricelist[7] = '15.99';
	pricelist[8] = '23.99';
	pricelist[9] = '21.99';
	pricelist[10] = '12.99';

	steaks[1] = '0.5';
	steaks[2] = '0.625';
	steaks[3] = '0.75';
	steaks[4] = '1';
                

	$("select[@name='products_id']").change(function(){
		
		var id = $(this).attr("value");
		
		//if meats
		if( id < 6 ){
			$("div.size_does_matter").hide();
			$("select.steaks_number").hide();
			$("select.meats_weights").show();
			$("select.meats_weights").val('0');
			$("input.input_total").val('0.00');
			
			
			
		//if steaks
		}else{
			$("div.size_does_matter").show();
			$("select.steaks_number").show();
			$("select.steak_size").val('0');
			$("select.steaks_number").val('0');
			$("input.input_total").val('0.00');
			$("select.meats_weights").hide();
				
		}		
	
	});
	
	$("select[@name='cart_weight']").change(function(){
		var price = pricelist[$("select[@name='products_id']").attr("value")];
		var weight = $("select.meats_weights").attr("value");
		var total = price*weight;
		
		$("input.input_total").attr("value", total);
													 
	});												 
	
	$("select[@name='cart_quantity']").change(function(){
													   
		var price = pricelist[$("select[@name='products_id']").attr("value")];
		var size = steaks[$("select.steak_size").attr("value")];
		var number =  $("select.steaks_number").attr("value");
		var total = price*size*number;
		
		$("input.input_total").attr("value", total);
													 
	});	
	
	
	$("select[@name='steak_size']").change(function(){
		var price = pricelist[$("select[@name='products_id']").attr("value")];
		var size = steaks[$("select.steak_size").attr("value")];
		var number =  $("select.steaks_number").attr("value");
		var total = price*size*number;
		
		$("input.input_total").attr("value", total);
													 
	});		
	//alert("Test");
});