var beacon_cost=30.90;
var sticker_cost= 9.90;
var triangle_cost= 21.00;
var roll_cost_large=11.10;
var roll_cost_small=11.10;
var tape_cost=11.10;
var call_number_cost=22.00;

var beacon_count = 0;
var sticker_count = 0;
var triangle_count= 0;
var mine_count = 0;
var roll_small_count = 0;
var roll_large_count = 0;
var tape_count = 0;
var call_number_count = 0;

function start_shipping(){
	beacon_count = 0;
	sticker_count = 0;
	triangle_count= 0;
	mine_count = 0;
	roll_small_count = 0;
	roll_large_count = 0;
	tape_count = 0;
}

function set_shipping_item(item, qty){
	if(item.indexOf("call number")!=-1){
		call_number_count = call_number_count + qty;
	}else if(item.indexOf("sticker")!=-1){
		sticker_count = sticker_count+qty;
	}else if(item.indexOf("triangle")!=-1){
		triangle_count = triangle_count+qty;
	}else if(item.indexOf("beacon")!=-1){
		beacon_count = becaon_count+qty;
	}else if(item.indexOf("mine")!=-1){
		mine_count = mine_count+qty;
	}else if(item.indexOf("roll")!=-1){
		if((item.indexOf("100")!=-1)||(item.indexOf("150")!=-1)){
			roll_large_count = parseInt(roll_large_count)+parseInt(qty);
		}else if((item.indexOf("50")!=-1)||(item.indexOf("75")!=-1)){
			roll_small_count = parseInt(roll_small_count)+parseInt(qty);	
			//alert("small roll");
		}
	}else{
		tape_count = tape_count+qty;
	}
}

function get_shipping(){
	var ship_total = 0.00
	if(call_number_count>0){
		ship_total = ship_total	+ call_number_cost;
	}
	if(sticker_count>0){
		ship_total = ship_total	+ sticker_cost;
	}
	if(mine_count>0){
		ship_total = ship_total	+ mine_cost;
	}
	if(tape_count>0){
		ship_total = ship_total + tape_cost;
	}
	ship_total = ship_total + (Math.ceil(parseInt(roll_small_count) / 2) * roll_cost_small);
	ship_total = ship_total + (triangle_count * triangle_cost) + (beacon_count * beacon_cost) + (parseInt(roll_large_count) * roll_cost_large) ;
	return ship_total;
}