// JavaScript Document
function compute(ths){
	var form = ths.form;
	var mult = new Array()
	mult["tv"] = 16;
	mult["porttv"] = 8;
	mult["cd"] = 3;
	mult["speakers"] = 4;
	mult["comp"] = 7;
	mult["entcentre"] = 41;
	mult["sofabed"] = 61;
	mult["daybed"] = 35;
	mult["lchair"] = 26;
	mult["chair"] = 20;
	mult["love"] = 36;
	mult["sofa"] = 36;
	mult["cab"] = 21;
	mult["endtab"] = 5;
	mult["coftab"] = 6;
	mult["book"] = 21;
	mult["night"] = 6;
	mult["dress"] = 46;
	mult["smatt"] = 41;
	mult["sbox"] = 41;
	mult["shead"] = 21;
	mult["dmatt"] = 61;
	mult["dbox"] = 61;
	mult["dhead"] = 31;
	mult["qmatt"] = 71;
	mult["qbox"] = 71;
	mult["qhead"] = 36;
	mult["kbox"] = 91;
	mult["khead"] = 46;
	mult["kmatt"] = 91;
	mult["dtab"] = 36;
	mult["ktab"] = 11;
	mult["kchair"] = 6;
	mult["china"] =  21;
	mult["buff"] = 31;
	mult["ppen"] = 11;
	mult["cchair"] = 6;
	mult["ctab"] = 6;
	mult["toy"] = 13;
	mult["carriage"] =  9;
	mult["crib"] =  21;
	mult["vac"] = 4;
	mult["wash"] = 26;
	mult["dry"] = 26;
	mult["dwash"] = 15;
	mult["stove"] = 31;
	mult["freeze"] = 45;
	mult["fridge"] = 40;
	mult["micro"] = 11;
	mult["aircon"] = 11;
	mult["bike"] = 7;
	mult["golf"] = 11;
	mult["pool"] = 81;
	mult["desk"] = 36;
	mult["file"] = 21;
	mult["smbox"] = 2;
	mult["medbox"] = 4;
	mult["larbox"] = 5;
	mult["suit"] = 7;
	mult["tools"] = 8;
	
	var ans = "";
	var ft = 0;
	for(var i=0; i<form.elements.length; ++i){
		if(form.elements[i].type == "text" && form.elements[i].name != "ans" && form.elements[i].name != "ft"){
			val = (form.elements[i].value * 1);
			if(isNaN(val)){
				alert("Please only use numbers.");
				ft = 0;
				break;
			}else{
				ft = ft + (mult[ form.elements[i].name ] * val);
			}
		}
	}
	
	form.ft.value = ft;
if ((ft > 10) && (ft <= 225)){ ans ="5 x 5";}
if ((ft > 225) && (ft <= 315)){ ans ="5 x 7";}
if ((ft > 315) && (ft <= 360)){ ans ="5 x 8";}
if ((ft > 360) && (ft <= 396)){ ans ="4 x 11";}
if ((ft > 396) && (ft <= 450)){ ans ="5 x 10";}
if ((ft > 450) && (ft <= 630)){ ans ="7 x 10";}
if ((ft > 630) && (ft <= 675)){ ans ="7.5 x 10";}
if ((ft > 675) && (ft <= 900)){ ans ="10 x 10";}
if ((ft > 900) && (ft <= 990)){ ans ="10 x 11";}
if ((ft > 990) && (ft <= 1080)){ ans ="10 x 12";}
if ((ft > 1080) && (ft <= 1170)){ ans ="10 x 13";}
if ((ft > 1170) && (ft <= 1260)){ ans ="10 x 14";}
if ((ft > 1260) && (ft <= 1350)){ ans ="10 x 15";}
if ((ft > 1350) && (ft <= 1800)){ ans ="10 x 20";}
if ((ft > 1800) && (ft <= 1980)){ ans ="10 x 22";}
if ((ft > 1980) && (ft <= 2700)){ ans ="10 x 30";}
if ((ft > 2700) && (ft <= 3240)){ ans ="12 x 30";}
if ((ft > 3240) && (ft <= 3780)){ ans ="14 x 30";}
if (ft > 3780){ ans = "CALL";}	form.ans.value = ans;
}