var intTotal

	function calculate(){
		strType = document.frmCalc.areaType.value;
		intA = new Number(document.frmCalc.intA.value);
		intB = new Number(document.frmCalc.intB.value);
		
		
		if(strType == "Y"){
			intA = intA * 0.3048;
			intB = intB * 0.3048;
		}
		if(strType == "F"){
			intA = intA * 0.9144;
			intB = intB * 0.9144;
		}
		
		intTotal = intA * intB;
		intTotal = intTotal.toString();
		if(intTotal.indexOf('.') != -1){
			intTotal = new Number(intTotal);
			intTotal = intTotal + 0.5;
			intTotal = Math.round(intTotal);
		}
		
		document.frmCalc.total.value = intTotal;
		document.instant_quote.qty.value = intTotal;
		document.all.total
		return false;
	}
	
	function calculate2(){
		strType = document.frmCalc2.areaType3.value;
		intC = new Number(document.frmCalc2.intC.value);
		intD = new Number(document.frmCalc2.intD.value);
		
		
		if(strType == "Y"){
			intC = intC * 0.3048;
			intD = intD * 0.3048;
		}
		if(strType == "F"){
			intC = intC * 0.9144;
			intD = intD * 0.9144;
		}
		
		intTotal = intC * intD;
		intTotal = intTotal.toString();
		if(intTotal.indexOf('.') != -1){
			intTotal = new Number(intTotal);
			intTotal = intTotal + 0.5;
			intTotal = Math.round(intTotal);
		}
		
		document.frmCalc2.total2.value = intTotal;
		document.instant_quote.qty.value = intTotal;
		document.all.total2
		return false;
	}
	
	

function circle(form,changed) {
with (Math) {
var area = form.area.value;
var diameter = form.diameter.value;
var strType = form.areaType2.value;


		if(strType == "Y"){
			diameter = diameter * 0.3048;
		}
		if(strType == "F"){
			diameter = diameter* 0.9144;

		}


area = PI * (diameter / 2) * (diameter / 2);
circumference = PI * diameter;
area = area + 0.5;
area = Math.round(area);
form.area.value = area;

document.instant_quote.qty.value = area;

  }
}
var toDegrees = 360 / (Math.PI * 2);
var toRadians = (Math.PI * 2) / 360;