function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  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++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function CalculateBMI() {
		if (document.whatvitamins.txtHeightFeet != '' && document.whatvitamins.txtHeightInches != '' && document.whatvitamins.txtWeight != '') {
			if ((document.whatvitamins.txtHeightFeet.value != '') && (document.whatvitamins.txtHeightInches.value != '') && (document.whatvitamins.txtWeight.value != '')) {
				var HeightInches = (document.whatvitamins.txtHeightFeet.value * 12) + (document.whatvitamins.txtHeightInches.value * 1);
				var BMI = (document.whatvitamins.txtWeight.value / (HeightInches * HeightInches)) * 703
				BMI = Math.round(10 * BMI) / 10;
				document.whatvitamins.txtBMI.value = BMI;
			}
		}
	}

function setsmoker(v) {
	if (v == 1) {
		document.whatvitamins.rdoEverSmoked[0].checked = true;
	}
	else {
		document.whatvitamins.rdoEverSmoked[0].checked = false;
		document.whatvitamins.rdoEverSmoked[1].checked = false;
	}
}
function sethealth(v) {
	if (v == 1) {
		document.whatvitamins.rdoPoorHealth[1].checked = true;
	}
	else {
		document.whatvitamins.rdoPoorHealth[0].checked = false;
		document.whatvitamins.rdoPoorHealth[1].checked = false;
	}
}
function setdrink(v) {
	if (v == 0) {
		document.whatvitamins.rdoOftenDrink[0].checked = true;
	}
	else {
		document.whatvitamins.rdoOftenDrink[0].checked = false;
		document.whatvitamins.rdoOftenDrink[1].checked = false;
		document.whatvitamins.rdoOftenDrink[2].checked = false;
		document.whatvitamins.rdoOftenDrink[3].checked = false;
	}
}
function setdiabetic(v) {
	if (v == 0) {
		document.whatvitamins.rdoDiabeticType[2].checked = true;
	}
	else {
		document.whatvitamins.rdoDiabeticType[0].checked = false;
		document.whatvitamins.rdoDiabeticType[1].checked = false;
		document.whatvitamins.rdoDiabeticType[2].checked = false;
	}
}
function setExercise(v) {
	if (v == 0) {
		document.whatvitamins.rdoMoreThree[0].checked = false;
		document.whatvitamins.rdoMoreThree[1].checked = true;
		document.whatvitamins.rdoMoreThree[0].checked = false;
		document.whatvitamins.rdoMoreThree[1].checked = true;
		document.whatvitamins.rdoCardio[0].checked = false;
		document.whatvitamins.rdoCardio[1].checked = true;
	}
}

//this function will validate for the required eval questions
function EvalFormValidation()
{
	//create my form object variable
	var formObj = document.whatvitamins;
	//create an empty span var
	var span = "";
	//create a goodForm variable
	var GoodForm = true;
	//create an array of required fields by name
	var reqFields = new Array("txtFirstName",
							  "txtLastName",
							  "txtEmail",
							  "rdoSex",
							  "txtHeightFeet",
							  "txtWeight",
							  "rdoGoodHealth",
							  "rdoPoorHealth",
							  "rdoSmoker",
							  "rdoEverSmoked",
							  "rdoDoYouDrink",
							  "rdoDoYouExercise",
							  "rdoMoreThree",
							  "rdoLessThree",
							  "rdoCardio",
							  "rdoVegetarian",
							  "rdoDiabetic",
							  "rdoJunkFood",
							  "rdoDoctorDiet",
							  "rdoCraveSweets",
							  "rdoLoseFat",
							  "rdoGainMuscle",
							  "rdoHighFiber",
							  "rdoPrePrepared");
							  
							  
	//loop through the array of required fields
	for ( i=0;i<reqFields.length;i++ )
	{
		//alert(formObj[reqFields[i]].type);
		
		if(formObj[reqFields[i]].type == "text")
		{
			if(formObj[reqFields[i]].value == "")
			{
				//fill the span var with the "span_" string + the required field which
				//make up the span id
				span = "span_" + reqFields[i].toString();
				//set the required span font color to red
				document.getElementById(span).style.color = "red";
				GoodForm = false;
			}
			else
			{
				//set the span font color to black
				span = "span_" + reqFields[i].toString();
				document.getElementById(span).style.color = "#000000";
			}
		}
		else
		{		
		
			//check to see if the required field is checked
			if( !formObj[reqFields[i]][0].checked  && !formObj[reqFields[i]][1].checked )
			{
				//fill the span var with the "span_" string + the required field which
				//make up the span id
				span = "span_" + reqFields[i].toString();
				//set the required span font color to red
				document.getElementById(span).style.color = "red";
				GoodForm = false;
			}
			else
			{
				//set the span font color to black
				span = "span_" + reqFields[i].toString();
				document.getElementById(span).style.color = "#000000";
			}
		}
	}
	if ( GoodForm == true )
	{
		document.whatvitamins.submit();
	}
	else
	{
		document.getElementById("alert_required").style.visibility = "visible";
		document.location = "#alert_required";
		return false;
	}

}

function viewDescription(productid)
{
	var URL = '/evaluation/description.aspx?productID=' + productid.toString();
	window.open(URL, 'ProductDescription', 'height=200,width=350,resizable=yes,location=no,scrollbars=yes,status=no,titlebar=no,toolbar=no,menubar=no,left=100,top=100,screenx=50,screeny=50,');
}