function makeCalculations() {	
	if(document.forms.input.unitType.options[0].selected) {
		heightInM = document.forms.input.unit2.value * .01; 
		heightInM += document.forms.input.unit1.value * 1; 
	}	
	else  {
		heightInM = document.forms.input.unit2.value * .0254;
		heightInM += document.forms.input.unit1.value * 12 * .0254;
	}	
	if(document.forms.input.weightType.options[0].selected) {
		weightInKG = document.forms.input.weight.value * 1; 
	}
	else 
		weightInKG = document.forms.input.weight.value * .4536; 
	
	if(isNaN(heightInM) || (heightInM == 0)) 
		alert("Please input a valid height.");
		
	if(isNaN(weightInKG)) 
		alert("Please input a valid weight.");
	
	var bmi = weightInKG / (heightInM * heightInM) ;
	var outputString = "" + bmi;
	
	document.forms.input.bmiOutput.value = outputString.substring(0, 4);

}
						
				
						var aryMoused = new Array();
						var aryLayerMoused = new Array();
						var aryMoImages = new Array();
						var imageList = new Array();
						var runMouseOvers = false;
						var TimerID = null;
						var iLimit = 25;
						var itmp = 0;
						
						var BillzTime = 100;
						var BillzTimes = 2;
						var BillzmoveDistance = 1;
						var BillzThisLoc = 325;
						var aryLayerNames = new Array();
						var aryNavBarLayerInfo = new Array();
						var aryNavBarLayers = new Array();
						
						var registeredObjects = new Array();
						var viz = "hide";

						function MOImage() {
							var a = MOImage.arguments;
							this.ptrImage = BillzNavBarMM_findObj(a[0]);
							this.imageMO = new Image();
							this.imageMO.src = a[1];
							this.HTMLname = a[0];
							this.Moused = false;
							this.OriginalSrc = '';
							return true;
						}
						function BillzImagePreload() {
						// 0) html image name 1) mo image src 2)image Name for rollover key (rollover may have multiple mos for one html Image) 
							var arg = BillzImagePreload.arguments;
							var imageKey = (arg[2]) ? arg[2] : arg[0];
							imageList[imageList.length] = imageKey;
							if (!(aryMoImages[imageKey])) {
								aryMoImages[imageKey] = new MOImage(arg[0], arg[1]);
							}
						}
						function BillzMouseover() {
							var a = null;
							var imageKey = null;
							var o = null;
							if (runMouseOvers) {
								//args 0)ImageName 1)OriginalSrc 2)array index (caller imagename)					
								a = BillzMouseover.arguments;
								imageKey = (a[2]) ? a[2] : a[0];
								if (!(aryMoImages[imageKey].ptrImage)) {
									aryMoImages[imageKey].ptrImage = BillzNavBarMM_findObj(a[0]);
								}
								if (aryMoImages[imageKey] && (o = aryMoImages[imageKey].ptrImage)) {
									aryMoImages[imageKey].OriginalSrc = a[1];
									aryMoImages[imageKey].Moused = true;
									o.src = aryMoImages[imageKey].imageMO.src;
								}
							}
							return true;
						}
						var NavBarTempOnload = null;
						if (window.onload && window.onload != null){
							NavBarTempOnload = window.onload;
						}
						function FullyLoaded() {
							if (NavBarTempOnload != null){
								NavBarTempOnload();
							}
							runMouseOvers = true;
							return true;
						}
						function BillzMouseOutTimer() {
							if (TimerID) {
								clearTimeout(TimerID);
							}
							TimerID = setTimeout("BillzLayerRestore()",5000);
							return true;
						}
						function RestoreAll() {
							BillzMouseoverRestore();
							BillzLayerRestore();
							return true;
						}
						function BillzMouseoverRestore() {
							var i = 0;
							var o = null;
							if (runMouseOvers) {
								for (i = 0; i < imageList.length; i++) {
									if (aryMoImages[imageList[i]].Moused && (o = aryMoImages[imageList[i]].ptrImage)) {
										o.src = aryMoImages[imageList[i]].OriginalSrc;
										aryMoImages[imageList[i]].Moused = false;
									}
								}
							}
							return true;
						}
						function BillzLayerRestore() {
							var i = 0;
							for (i = 0; i < aryLayerNames.length; i++) {
								if (!aryNavBarLayerInfo[aryLayerNames[i]].isDefault) {
									BillzNavBarRestoreLayers(aryLayerNames[i]);
								}
							}
							return true;
						}
						function BillzArrayPushUnique(aryArray, varNewElement) { //only pushes if unique value
							var pushIt = true;
							var i = 0;
							for (i = 0; i < aryArray.length && pushIt; i++) {
								pushIt = (varNewElement != aryArray[i]);
							}
							if (pushIt) {
								BillzArrayPush(aryArray, varNewElement);
							}
							return pushIt;
						}
						function BillzArrayPush(aryArray, varNewElement) { //Implement Array Push 'cause IE cant handle it
							aryArray[aryArray.length] = varNewElement;
							return true;
						}
						function BillzArrayPop(aryArray) { //Implement Array Pop 'cause IE cant handle it before 5.5
							var varItemToPop = null;
							if (aryArray[aryArray.length - 1]) {
								varItemToPop = aryArray[aryArray.length - 1];
								aryArray[aryArray.length] = null;
							}
							return varItemToPop;
						}
						function BillzNavBarMM_findObj(n, d) { //v3.0 name changed to avoid clash with possible other JS in content, this function complements of MM Dreamweaver
						  	var p,i,x;
						
							if (registeredObjects[n]) {
								return registeredObjects[n];
							}
							if (!(d)) {
								d = document;
							}
							if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
								d = parent.frames[n.substring(p+1)].document;
								n = n.substring(0,p);
							}
						  	if (!(x = d[n]) && d.all) {
								x = d.all[n];
							}
							for (i = 0; !x && i < d.forms.length; i++) {
								x = d.forms[i][n];
							}
						  	for (i=0; !x && d.layers && i < d.layers.length; i++) {
								if (d.layers[i].id.indexOf("external_") == -1) {
						  			x = BillzNavBarMM_findObj(n, d.layers[i].document);
								}
							}
							registeredObjects[n] = x;
						
						 	return x;
						}
						function BillzArrayContains() {
							var a = BillzArrayContains.arguments;
							var foundit = false;
							var i = 0;
							for (i = 0; i < a[0].length && !foundit; i++) {
								foundit = (a[1] == a[0][i]);
							}
							return foundit;
						}
						function NavBarRegisterLayer() {
							var a = NavBarRegisterLayer.arguments;
							var n = a[0];
							var d = a[1];
							var mo = false;
							var o = null;
							if (a[2] && a[2] == 'MOutLayer') {
								mo = true;
							} else {
								mo = false;
							}
							if (!(BillzArrayContains(aryLayerNames, n))) {
								if (o = BillzNavBarMM_findObj(n)) {
									aryNavBarLayers[n] = o;
									BillzArrayPushUnique(aryLayerNames, n);
									aryNavBarLayerInfo[n] = new NavBarLayer(n, d, mo);
								}
							}
							return true;
						}
						function BillzNavBarMM_showHideLayers() {
						//v3.0 name changed, this function complements of MM Dreamweaver with customizations by Bill Heller
							var i = 0;
							var x = "";
							var obj = null;
							var v = null;
							var p = null;
							var args = BillzNavBarMM_showHideLayers.arguments;

							if (args[args.length - 1] != "menu") {
								BillzMouseOutTimer();
							}
						  	for (i = 0; i < (args.length - 2); i += 3) {
								if (!aryNavBarLayers[args[i]]) {
									x = (args[i + 2] == 'show') ? 'hide' : 'show';
									NavBarRegisterLayer(args[i], x);
								}
						  		if ((obj = aryNavBarLayers[args[i]]) != null) {
									v = args[i + 2];
									aryNavBarLayerInfo[args[i]].isDefault = false;
						  			if (args[args.length - 1] == "restore") {
										v = (v == 'show') ? 'hide' : 'show';
									}
									if (obj.style) {
										obj.style.visibility = (v == 'show') ? 'visible' : ((v == 'hide') ? 'hidden' : v);
									} else {
										obj.visibility = v;
									}
								}
							}
							return true;
						}
						function BillzNavBarRestoreLayers() {
							var i = 0;
							var x = "";
							var obj = null;
							var v = null;
							var p = null;
							var args = BillzNavBarRestoreLayers.arguments;
						  	for (i = 0; i < (args.length); i++) {
						  		if (obj = aryNavBarLayers[args[i]]) {
									v = aryNavBarLayerInfo[args[i]].defaultVisibility;
									if (obj.style) {
										obj = obj.style;
										v = (v == 'show' ) ? 'visible' : ((v == 'hide') ? 'hidden' : v);
									}
									obj.visibility = v;
									if (!aryNavBarLayerInfo[args[i]].MOutLayer) {
										aryNavBarLayerInfo[args[i]].isDefault = true;
									}
								}
							}
							return true;
						}
						function NavBarLayer() {
							var a = NavBarLayer.arguments;
							this.defaultVisibility = a[1];
							this.isDefault = true;
							this.MOutLayer = a[2];
							return true;
						}
						function BillzNavMove() {
							var thisl = null;
							var otherl = null;
							if (thisl = BillzNavBarMM_findObj("BillzScrollLayer")) {
								if (thisl.style) {
									thisl = thisl.style;
									viz = "hidden";
								} 
								thisl.top = BillzThisLoc -= 3;
								if (BillzThisLoc < -750) {
									BillzThisLoc = 325;
									BillzTimes--;
								}
							}
							if (BillzTimes <= 0) {
								otherl = BillzNavBarMM_findObj("BillzLayer");
								otherl.visibility = viz;
							} else {
								setTimeout("BillzNavMove()", BillzTime);
							}
							
							return true;
						}
						function NavBar_openadmin() {
							window.open('admin/', 'SiteAdmin', 'height=screen.availheight,width=screen.availwidth,scrollbars=1,toolbar=0,directories=0,status=0,menubar=0,resizable=1');
							return true;
						}
						window.onload = FullyLoaded;