function getCost( weight ) {
	index = 0;
	weightIndex = 0;
	while (index < this.weightLimits.length) {
		if (weight > this.weightLimits[index])
			weightIndex = index+1;
		else
			break;
		index++;
	}
		return (this.priceLimits[weightIndex]);
}



function freightCost(weightLimits, priceLimits) {
	this.getCost = getCost;
	this.priceLimits = priceLimits;
	this.weightLimits = weightLimits;
}

var freightMva = 1.25;
var priceLimits = new Array(55, 55, 55, 70, 130,150,183,200);
var weightLimits = new Array(20, 50,100, 300,500,10000, 25000);

var shipping = new freightCost( weightLimits, priceLimits );

//(45 g, 200g,2500 g, 10000g)
//(4.5kr, 44 kr,345 kr, 500 kr, 899 kr)