function MM_popupMsg(msg) {
	alert(msg);
}

// Author : Jonathan Weesner (jweesner@cyberstation.net) 
// Modified : Ashley Horobin 
function convertform(form){
	var firstvalue = 0;
	for (var i = 1; i <= form.count; i++) {
		// Find first non-blank entry
		if (form.elements[i].value != null && form.elements[i].value.length != 0) {
			if (i == 1 && form.elements[2].value != "") return false;
			firstvalue = form.elements[i].value / form.elements[i].factor;
			break;
		}
	}
	if (firstvalue == 0) {
		clearform(form);
		return false;
	}
	for (var i = 1; i <= form.count; i++)
		form.elements[i].value = formatvalue((firstvalue * form.elements[i].factor), form.rsize);
		return true;
}
function formatvalue(input, rsize) {
	var invalid = "**************************";
	var nines = "999999999999999999999999";
	var strin = "" + input;
	var fltin = parseFloat(strin);
	if (strin.length <= rsize) return strin;
	if (strin.indexOf("e") != -1 ||
		fltin > parseFloat(nines.substring(0,rsize)+".4"))
		return invalid.substring(0, rsize);
	var rounded = "" + (fltin + (fltin - parseFloat(strin.substring(0, rsize))));
	return rounded.substring(0, rsize);
}
function resetform(form) {
	clearform(form);
	form[1].value = 1;
	convertform(form);
	return true;
}
function clearform(form) {
	for (var i = 1; i <= form.count; i++) {
		//alert(i);
		form[i].value = "";
	}
	return true;
}

function priceChill(form) {
	density=eval(form.density.value);
	degreeapi=((141.5*0.9991026/density)-131.5);
	form.pricechill.value = degreeapi;
}

function priceChill2(form) {
	barrels=eval(form.barrels.value);
	degreeapi2=(22.41*(barrels-5.857));
	form.pricechill2.value = degreeapi2;
}

function priceChill3(form) {
	api3=eval(form.api3.value);
	oildensity=((141.5*0.9991026)/(api3+131.5));
	form.pricechill3.value = oildensity;
}

function priceChill4(form) {
	api4=eval(form.api4.value);
	barrels2=((api4/22.41)+5.857);
	form.pricechill4.value = barrels2;
}

function priceChill5(form) {
	price=eval(form.price.value);
	GCV=eval(form.GCV.value);
	chill=(price*GCV*1e6/6119);
	form.pricechill5.value = chill;
}