// JavaScript Document

var T1quant = new Array("500", "1 000", "1 500", "2 000");
var T1val	= new Array(550, 1073, 1458, 1788);

var T2quant = new Array("500", "1 000", "1 500", "2 000");
var T2val	= new Array(715, 1375, 1980, 2530);

//var designTime = new Array(2000, 2500, 3000);
//var Photo = new Array(650, 1000, 1500);		//photography cost for 3 items
//var overnight = 500;		//cost to courier overnight
//var overweek = 200; 		//cost to courier same week 
//var overnight = new Array(new Array(240,480,720,960,1200,1440),new Array(480,720,1440,1920,2400,1880),new Array(720,1440,2160,1880,3600,2320));		
//var overweek = new Array(new Array(120,240,360,480,600,720),new Array(240,480,720,960,1200,1440),new Array(360,720,1080,1440,1800,2160));









function on_change()
{
	
	var ctl = document.getElementById("quantity");
	var cal = document.getElementById("type");
	
	for (i = 1; i < ctl.options.length; i++)
	{
		ctl[i].text = "";
		ctl[i].value = "";
	}
	
	switch(cal[cal.selectedIndex].value)
	{
	case "1":
		Tval = T1val
		Tquant = T1quant
	break
	case "2":
		Tval = T2val
		Tquant = T2quant
	break
	case "3":
		Tval = T3val
		Tquant = T3quant
	break
	}
	for (i = 0; i < Tquant.length; i++)
	{	
		ctl[i+1].text = Tquant[i];
		ctl[i+1].value = Tval[i];
	}

}

function calc()
{
	
	var qua = document.getElementById("quantity");
	var typ = document.getElementById("type");
	//var des = document.getElementById("design");
	var out = document.getElementById("output");
	//var phot = document.getElementById("photography");
	//var cour_week = document.getElementById("couriered_week");
	//var cour_night = document.getElementById("couriered_night");
	
	out.value = "";
	if ((qua[qua.selectedIndex].value != "")&&(typ[typ.selectedIndex].value !=""))
	{
		typeInt = typ[typ.selectedIndex].value;
		quaInt = qua.selectedIndex -1;
		Total = qua[qua.selectedIndex].value;
		//if(des.checked)
		//{
			//Total= eval(Total) + designTime[typeInt -1];
		//}
		//if (phot.checked)
		//{
			//Total= eval(Total) + Photo[typeInt -1];
		//}
		//if (cour_week.checked)
		//{
			//Total= eval(Total) + overweek[typeInt -1][quaInt];
		//}
		//if (cour_night.checked)
		//{
			//Total= eval(Total) + overnight[typeInt -1][quaInt];
		//}
		
		
		out.value = "R " + Total +".00";
		
	}
}