function showhide(el) {
	var myelement = document.getElementById(el);
	if( !myelement.style.display || myelement.style.display == "none" ) {
		if(navigator.userAgent.indexOf("Firefox") != -1)
			myelement.style.display = "block";
		else
			myelement.style.display = "block";
		
	} else {
		myelement.style.display = "none";
		
	}
}

function MM_jumpMenu(targ,selObj,restore){ 
	var uri = selObj.options[selObj.selectedIndex].value;
	eval(targ+".location=uri");
  if (restore) selObj.selectedIndex=0;
}

function popupWin(x, y){
       w = screen.width;
       h = screen.height;
       sx = w/2-200;
       sy = h/2-200;
window.open(x,'','status=yes, resizable=no, scrollbars=yes, toolbar=no, location=no, directories=no, menubar=no, width=490, height=500, top='+sy+', left='+sx+', screenX='+sx+', screenY='+sy);
}


function chkaff() {
	if (document.getElementById('terms').checked)
{
	urchinTracker('/outgoing/affiliate');
	return true;
} else {
	alert('You must accept the affiliate program agreement');
	return false;
	
}
}
function qsSet(frmObj)
{
  var qID = frmObj.name.substr(2);
  var qValue = frmObj.value;
  var qsField = document.getElementById('qs_'+qID);
  if ( typeof(qsField) !="undefined" )
  {
    if ( qValue.toLowerCase() == "no"    ||
         qValue.toLowerCase() == "i will specify"   ||
         qValue.toLowerCase() == "i disagree"  )
    {
      qsField.disabled = false;
    }
    else
    {
      qsField.disabled = true;
      qsField.value='';
    }
  }
}


function LimitText(fieldObj,maxChars)
{
  var result = true;
  if (fieldObj.value.length >= maxChars) {
    alert("Your answer must be less than " + maxChars + " characters.");
    fieldObj.value = fieldObj.value.substr(0, maxChars);
    result = false;
  }
  if (window.event)
    window.event.returnValue = result;
  return result;
}

function CheckBMI()
   {
   if (document.questions.Weight.value != '' && document.questions.Height.value != '')
      {
      CalculateBMI();
      }
   else
      {
      document.questions.dBMI.value = '';
      document.questions.BMI.value = '';
      }
   }
function CalculateBMI()
   {
   if (isNaN(document.questions.Weight.value) || eval(document.questions.Weight.value)==0 || document.questions.Height.selectedIndex==0)
      {
      document.questions.dBMI.value = '';
      document.questions.BMI.value = '';
      }
   else
      {
      var Height = eval(document.questions.Height.options[document.questions.Height.selectedIndex].value)/39.36;
      var Weight = eval(document.questions.Weight.value)/2.2;
      document.questions.dBMI.value = Math.round(Weight/(Height*Height));
      document.questions.BMI.value = document.questions.dBMI.value;
      }
   }


// to here ///

var DefaultObjectId;
var DOMViewerObj=null;
var DOMViewerName=null;

var bFormValid = true;
var errMsg = '';

var highlightcolor="#FFFFCC";

var ns6=document.getElementById && !document.all;
var ie=document.all;
var previous='';
var eventobj;

//Regular expression to highlight only form elements
var intended=/INPUT|TEXTAREA/;

/////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////
var submitted = false;
function checkForm()
   {
   changeShipping(document.orderForm.shipMethod.options[document.orderForm.shipMethod.selectedIndex].value);
	var ptVal = document.orderForm.paymentType.value;
   //if (document.orderForm.paymentType[0].checked == true) {
   if (ptVal == '0') {
   if (!checkCC()) return false;
 }
   if (submitted == false)
      {
      submitted = true;
      return true;
      }
   else
      {
      return false;
      }
   }
/////////////////////////////////////////////////////////////////
var Bill_Address = '';
var Bill_Address2 = '';
var Bill_City = '';
var Bill_State = 0;
var Bill_Zip = '';
var Bill_Country = '';

function InitSaveVariables()
   {
   Bill_Address = document.orderForm.Bill_Address.value;
   Bill_Address2 = document.orderForm.Bill_Address2.value;
   Bill_City = document.orderForm.Bill_City.value;
   Bill_State = document.orderForm.Bill_State.selectedIndex;
   Bill_Zip = document.orderForm.Bill_Zip.value;
   Bill_Country = document.orderForm.Bill_Country.value;
   }
function ShipToBillPerson()
   {
   if (document.orderForm.copy.checked)
      {
      InitSaveVariables();
      if (document.orderForm.Address2.value != '')
         {
         document.orderForm.Bill_Address.value = document.orderForm.Address1.value;
         document.orderForm.Bill_Address2.value = document.orderForm.Address2.value;
         }
      else
         {
         document.orderForm.Bill_Address.value = document.orderForm.Address1.value;
         }
      document.orderForm.Bill_City.value = document.orderForm.City.value;
      document.orderForm.Bill_State.selectedIndex = document.orderForm.State.selectedIndex;
      document.orderForm.Bill_Zip.value = document.orderForm.ZipCode.value;
      document.orderForm.Bill_Country.value = document.orderForm.Country.value;
      }
   else
      {
      document.orderForm.Bill_Address.value = Bill_Address;
      document.orderForm.Bill_Address2.value = Bill_Address2;
      document.orderForm.Bill_City.value = Bill_City;
      document.orderForm.Bill_State.selectedIndex = Bill_State;
      document.orderForm.Bill_Zip.value = Bill_Zip;
      document.orderForm.Bill_Country.value = Bill_Country;
      }
   }
/////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////
function changeMed(val)
   {
   if (val != '')
      {
      document.orderForm.medSelected.value = 1;
      document.orderForm.submit();
      }
   }
/////////////////////////////////////////////////////////////////


function checkCC()
   {
//   var sCardText = new String();
//   sCardText = document.orderForm.CardNumber.value;
//   var regexp;
//   regexp = / /g;
//   sCardText = sCardText.replace(regexp,"");
//   if(sCardText.length<=0)
//      {
//      alert('Please enter a valid card number without any spaces or dashes.');
//      document.orderForm.CardNumber.focus();
//      return false;
//      }
//   if (CheckNum(document.orderForm.CardNumber.value) == 0)
//      {
//      alert('Please enter a valid card number.');
//      return false;
//      } 
//   if (!checkExpDate())
//      {
//      alert('Please enter a valid expiration date.');
//      return false;
//      }
   return true;
   }
/////////////////////////////////////////////////////////////////
function CheckNum(cardnum)
   {
   if (cardnum == '') return 0;
   if (isNaN(cardnum)) return 0;
   if (cardnum=='4111111111111111') return 0;
   if (cardnum=='4242424242424242') return 0;
   if (cardnum=='5454545454545454') return 0;
   if (!CheckLUHN(cardnum)) return 0;
   return 1;
   }
/////////////////////////////////////////////////////////////////
function CheckLUHN(cardnum)
   {
   var RevNum = new String(cardnum);
   RevNum = Reverse(RevNum);

   var total = new Number(0);
   for ( var i = 0; i < RevNum.length; i += 1 )
      {
      var temp = 0;
      if (i % 2)
         {
         temp = RevNum.substr(i, 1) * 2;
         if (temp >= 10)
            {
            var splitstring = new String(temp);
            temp = parseInt(splitstring.substr(0, 1)) + parseInt(splitstring.substr(1, 1));
            }
         }
      else
         {
         temp = RevNum.substr(i, 1);
         }
      total += parseInt(temp);
      }
   // if there's no remainder, we return 1 (true)
   return (total % 10) ? 0 : 1;
   }
/////////////////////////////////////////////////////////////////
function Reverse(strToReverse)
   {
   var strRev = new String;
   var i = strToReverse.length;

   while (i--)
      {
      strRev += strToReverse.charAt(i);
      }
   return strRev;
   }
/////////////////////////////////////////////////////////////////
function checkExpDate()
   {
   var d = new Date;
   var curYear = d.getFullYear();
   var curMonth = d.getMonth()+1;
   var expMonth = document.orderForm.ExpMonth.options[document.orderForm.ExpMonth.selectedIndex].value;
   var expYear = document.orderForm.ExpYear.options[document.orderForm.ExpYear.selectedIndex].value;
   if ((curYear > expYear) || ((curYear == expYear) && (curMonth > expMonth))) return false;
   return true;
   }
/////////////////////////////////////////////////////////////////
function chkDate()
   {
   var bMonth = parseInt(document.orderForm.DOBMonth.options[document.orderForm.DOBMonth.selectedIndex].value);
   var bDay = document.orderForm.DOBDay.options[document.orderForm.DOBDay.selectedIndex].value;
   var bYear = document.orderForm.DOBYear.options[document.orderForm.DOBYear.selectedIndex].value;
   var bMsg = "Please choose a valid date.";
   if (bMonth == 2 && (bDay == 30 || bDay == 31))
      {
      alert (bMsg + "\nFebruary contains less than 30 days.");
      document.orderForm.DOBDay.focus();
      return false;
      }
   if (bMonth == 4 && bDay == 31 || bMonth == 6 && bDay == 31 || bMonth == 9 && bDay == 31 || bMonth == 11 && bDay == 31 )
      {
      alert (bMsg + "\nThe month selected contains less than 31 days.");
      document.orderForm.DOBDay.focus();
      return false;
      }
   if (isLeapYear(bYear))
      {
      if (bMonth == 2 && bDay > 28)
         {
         alert (bMsg + "\nThe date you have chosen is not a valid date.");
         document.orderForm.DOBDay.focus();
         return false;
         }
      else
         {
         return true;
         }
      }
   else
      {
      return true;
      }
   }
/////////////////////////////////////////////////////////////////
function isLeapYear(Year)
{
   if ( ( Year % 4 == 0 ) && (( Year % 100 != 0 ) || ( Year % 400 == 0 )))
   {
      return (true);
   }
   else
   {
      return (false);
   }
}
/////////////////////////////////////////////////////////////////
function chkYear()
   {
   var d = new Date;
   var curYear = d.getFullYear();
   var curMonth = d.getMonth()+1;
   var curMonthDay = d.getDate();
   var bYear = document.orderForm.DOBYear.options[document.orderForm.DOBYear.selectedIndex].value;
   var bMonth = document.orderForm.DOBMonth.options[document.orderForm.DOBMonth.selectedIndex].value;
   var bDay = document.orderForm.DOBDay.options[document.orderForm.DOBDay.selectedIndex].value;
   if ((curYear-bYear)>18)
      {
      return true;
      }
   else if ((curYear-bYear)==18)
      {
      if ((curMonth-bMonth)>0 || ((curMonth-bMonth)==0 && (curMonthDay-bDay)>=0)) return true;
      }
   alert("Please be advised that you must be Over 18 to place an order.");
   document.orderForm.DOBYear.focus();
   return false;
   }
/////////////////////////////////////////////////////////////////
//Check whether element clicked is form element
/////////////////////////////////////////////////////////////////
function checkel(which)
   {
   if (which.style && intended.test(which.tagName))
      {
      if (ns6 && eventobj.nodeType==3) eventobj=eventobj.parentNode.parentNode;
      return true;
      }
   else
      return false;
   }
/////////////////////////////////////////////////////////////////
//Highlight form element
/////////////////////////////////////////////////////////////////
function highlight(e)
   {
   eventobj = ns6 ? e.target : event.srcElement;
   if (previous!='')
      {
      if (checkel(previous)) previous.style.backgroundColor='';
      previous=eventobj;
      if (checkel(eventobj)) eventobj.style.backgroundColor=highlightcolor;
      }
   else
      {
      if (checkel(eventobj)) eventobj.style.backgroundColor=highlightcolor;
      previous=eventobj;
      }
   }
/////////////////////////////////////////////////////////////////
function toTitleCase(frmObj)
   {
   var index;
   var tmpStr;
   var tmpChar;
   var preString;
   var postString;
   var strlen;
   var re;
   var tmpArr;
   var inpString;
   var j;
   tmpStr = frmObj.value.toLowerCase();
   strLen = tmpStr.length;
   if (strLen > 0)
      {
      for (index = 0; index < strLen; index++)
         {
         if (index == 0)
            {
            tmpChar = tmpStr.substring(0,1).toUpperCase();
            postString = tmpStr.substring(1,strLen);
            tmpStr = tmpChar + postString;
            }
         else
            {
            tmpChar = tmpStr.substring(index, index+1);
            if ((tmpChar == " " || tmpChar == "-" || tmpChar == ",") && index < (strLen-1))
               {
               tmpChar = tmpStr.substring(index+1, index+2).toUpperCase();
               preString = tmpStr.substring(0, index+1);
               postString = tmpStr.substring(index+2,strLen);
               tmpStr = preString + tmpChar + postString;
               }
            }
         }
      }
   //Handle special cases
   //Mid-Word Caps...
   re = /\bMc|\bMac|\O\'|\B-|\,|\.|\/|\(/; //'
   tmpArr = tmpStr.match(re);
   if(tmpArr != null)
      {
      preString = tmpStr.substring(0,tmpArr.lastIndex);
      tmpChar = tmpStr.charAt(tmpArr.lastIndex);
      postString = tmpStr.substring(tmpArr.lastIndex+1,tmpStr.length);
      tmpChar = tmpChar.toUpperCase();
      tmpStr = preString + tmpChar + postString;
      }
   frmObj.value = tmpStr;
   }

/////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////
function matchFound(sInput,re)
   {
   var tmpArr;
   tmpArr = sInput.match(re);
   if (tmpArr != null) return true;
   return false;
   }
/////////////////////////////////////////////////////////////////
function getRef(obj)
   {
   if(typeof obj == "string") obj= document.getElementById(obj);
   return obj;
   }
/////////////////////////////////////////////////////////////////
function setStyle(obj, style, value)
   {
   getRef(obj).style[style]= value;
   }
    /* USAGE:
      obj      = object reference or element id.
      style    = the style to be changed.
      value    = the value assigned to the style.
    */
/////////////////////////////////////////////////////////////////
function setClassName(obj, className)
   {
   getRef(obj).className= className;
   }
/////////////////////////////////////////////////////////////////
/* The Browser object */
Browser = {
   isSupported : function()
      {
      return (Boolean(document.getElementsByTagName) && Boolean(document.getElementById));
      },
   // toString is ignored by for - in loop. Why?
   toString : function() {return navigator.userAgent;},
   isOpera : function() {return this.toString().indexOf("Opera") > 0;},
   isNS4 : function() {return (Boolean(document.layers) && this.toString().indexOf("Netscape") == -1);},
   isNS6 : function() {return (Boolean(document.getElementById) && this.toString().indexOf("Netscape") == -1);},
   isIE : function() {return !this.isOpera() && this.toString().indexOf("MSIE") > 0;},
   isIE5 : function() {return !this.isOpera() && this.toString().indexOf("MSIE 5") > 0;},
   isIE5_0 : function() {return !this.isOpera() && this.toString().indexOf("MSIE 5.0") > 0;},
   isIE6 : function() {return !this.isOpera() && this.toString().indexOf("MSIE 6") > 0;},
   isGecko : function() {return !this.isOpera() && this.toString().indexOf("Gecko") > 0;},
   isMoz : function() {return this.isGecko() && this.toString().indexOf("Netscape") == -1;},
   isMac : function() {return this.toString().indexOf("Mac") > 0;},
   isMac_IE5 : function() {return this.isIE5() && this.isMac();}
};
/////////////////////////////////////////////////////////////////
function writeBrowser()
   {
   document.writeln("<pre>");
   document.writeln(padString("Browser.toString()", 21)+" = ", Browser.toString());
   for(var x in Browser) document.writeln(padString("Browser."+x +"()", 21)+" = " + Browser[x]());
   document.writeln("<"+"/pre>");
   }

function checkstate() {
                    	var state = document.getElementById('State');
                    var state =	state.options[state.selectedIndex].value;
							    if (/^AZ|MO|MT|NV|OH|VA|UT$/.test(state))
{
	
	document.getElementById('stateholder').innerHTML = "<p class=\"box_bg_yellow padder\"><b>ATTENTION</b>: The product(s) you have chosen cannot be shipped to your address at the present time. Please choose an import alternative<br /><a href=\"cart.php\">Click here to review your shopping cart contents.</a></p>";
	document.getElementById('placeorder').innerHTML = "<p class=\"box_bg_yellow padder\"><b>ATTENTION</b>: The product(s) you have chosen cannot be shipped to your address at the present time. Please choose an import alternative<br /><a href=\"cart.php\">Click here to review your shopping cart contents.</a></p>";
	return false; 
		 } else {
	 	
	 document.getElementById('stateholder').innerHTML = "";	
	 document.getElementById('placeorder').innerHTML = "<input type=\"image\" src=\"/images/buttons_place_order.gif\" id=\"imgSubmit\" name=\"imgSubmit\" onclick=\"return checkForm();\" />";
	 
	 return true;
	}
    
                   
                    	
                    }