var sticker=9.90;
var banner=9.90;
var metal_sign=10.00;
var metal_big=20.00;
var metal_mid=15.00;
var metal_small=10.00;

var sticker_count=0;
var banner_count=0;
var metal_sign_count=0;
var metal_big_count=0;
var metal_mid_count=0;
var metal_small_count=0;

function start_shipping(){
	sticker_count=0;
	banner_count=0;
	metal_sign_count=0;
	metal_big_count=0;
	metal_mid_count=0;
	metal_small_count=0;
}

function set_shipping_item(item, qty){
	if(item.indexOf("banner") > -1){
		banner_count = banner_count + parseInt(qty);
	}
	if(item.indexOf("sticker") > -1){
		sticker_count = sticker_count + parseInt(qty);
	}
	if(item.indexOf("metal") > -1){
		if(item.indexOf("3 layout") > 0){
			metal_small_count = metal_small_count + parseInt(qty);
		}else if(item.indexOf("4 layout") > 0){
			metal_small_count = metal_small_count + parseInt(qty);
		}else
		if(item.indexOf("5 layout") > 0){
			metal_mid_count = metal_mid_count + parseInt(qty);
		}else
		if(item.indexOf("7 layout") > 0){
			metal_mid_count = metal_mid_count + parseInt(qty);
		}else
		if(item.indexOf("eip 800 x 400") > 0){
			metal_mid_count = metal_mid_count + parseInt(qty);
		}else
		if(item.indexOf("eip 800 x 600") > 0){
			metal_big_count = metal_big_count + parseInt(qty);
		}else{
			metal_sign_count = metal_sign_count + parseInt(qty);
		}
	}
}

function get_shipping(){
	var ship_total = 0.00;
	if(sticker_count > 0) ship_total = sticker;
	ship_total = ship_total + (Math.ceil(banner_count / 2) * banner);
	ship_total = ship_total + (Math.ceil(metal_sign_count / 10) * metal_sign);
	ship_total = ship_total + (Math.ceil(metal_small_count  / 4)* metal_small);
	ship_total = ship_total + (Math.ceil(metal_mid_count / 3) * metal_mid);
	ship_total = ship_total + (Math.ceil(metal_big_count / 3) * metal_big);
	return ship_total;
}