var strImageURL = strImagePath + 'topNav/';

//preload tab images
if (document.images)
{
  preload_image_object = new Image();
  // set image url
  image_url = new Array();
  image_url[0] = strImageURL + "nav_bg_pp.gif";
  image_url[1] = strImageURL + "nav_bg_nb.gif";
  image_url[2] = strImageURL + "nav_bg_rr.gif";
  image_url[3] = strImageURL + "pp_off.gif";
  image_url[4] = strImageURL + "nb_off.gif";
  image_url[5] = strImageURL + "rr_off.gif";
  image_url[6] = strImageURL + "pp_on.gif";
  image_url[7] = strImageURL + "nb_on.gif";
  image_url[8] = strImageURL + "rr_on.gif";

   var i = 0;
   for(i = 0; i <= image_url.length; i++) 
     preload_image_object.src = image_url[i];
}

// do the script loading tracking
var began_loading = (new Date()).getTime();

function done_loading() {
 (new Image()).src = '/measure.gif?u=' + self.location + '&t=' + 
  (((new Date()).getTime() - began_loading) / 1000);
}

//--------------------------------------------------------------
// Start the Nav JS functions
var strDefaultTab = 'PP';
var strCurrentTab = '';

function changeDefaultTab(strTab)
{
	strDefaultTab = strTab;
}

function changeTab(strTab)
{
	// reset the TAB to default page loaded
	if (strTab == 'reset')
	{
		strTab = strDefaultTab;
	}

	var objTD = document.getElementById('tdTop');
	var objDivNavPP = document.getElementById('divNavPP');
	var objDivNavNB = document.getElementById('divNavNB');
	//var objDivNavRR = document.getElementById('divNavRR');
	var objImgTabPP = document.getElementById('imgTabPP');
	var objImgTabNB = document.getElementById('imgTabNB');
	//var objImgTabRR = document.getElementById('imgTabRR');
	
	if(strTab == 'PP')
	{
		objTD.style.backgroundImage = 'url(' + strImagePath + 'topNav/nav_bg_pp.gif)';
		objDivNavPP.style.visibility = 'visible'; objDivNavPP.style.display = 'block';
		objDivNavNB.style.visibility = 'hidden'; objDivNavNB.style.display = 'none';
		//objDivNavRR.style.visibility = 'hidden'; objDivNavRR.style.display = 'none';
		objImgTabPP.src = strImageURL + 'pp_on.gif'; objImgTabNB.src = strImageURL + 'nb_off.gif';// objImgTabRR.src = strImageURL + 'rr_off.gif';
	}
	else if(strTab == 'NB')
	{
		objTD.style.backgroundImage = 'url(' + strImagePath + 'topNav/nav_bg_nb.gif)';
		objDivNavPP.style.visibility = 'hidden'; objDivNavPP.style.display = 'none';
		objDivNavNB.style.visibility = 'visible'; objDivNavNB.style.display = 'block';
		//objDivNavRR.style.visibility = 'hidden'; objDivNavRR.style.display = 'none';
		objImgTabPP.src = strImageURL + 'pp_off.gif'; objImgTabNB.src = strImageURL + 'nb_on.gif';// objImgTabRR.src = strImageURL + 'rr_off.gif';
	}
/*
	else if(strTab == 'RR')
	{
		objTD.style.backgroundImage = 'url(' + strImagePath + 'topNav/nav_bg_rr.gif)';
		objDivNavPP.style.visibility = 'hidden'; objDivNavPP.style.display = 'none';
		objDivNavNB.style.visibility = 'hidden'; objDivNavNB.style.display = 'none';
		objDivNavRR.style.visibility = 'visible'; objDivNavRR.style.display = 'block';
		objImgTabPP.src = strImageURL + 'pp_off.gif'; objImgTabNB.src = strImageURL + 'nb_off.gif'; objImgTabRR.src = strImageURL + 'rr_on.gif';
	}
*/
}
// END the Nav JS functions
//--------------------------------------------------------------

function ClearField(thisField, strClearText)		// Clear the field by grabing the object calling this function and its default value to be cleared
{
	if (thisField.value == strClearText)
	{
		thisField.value = ""; thisField.focus();
	}
}

function showLogin()
{
    var objDivLogin = document.getElementById('Header1_divLogin');
    
    if(objDivLogin.style.display == 'none')
    {
        slidedown('Header1_divLogin');
        document.getElementById('email').focus();
        document.getElementById('spanSignIn').innerHTML = 'Close Sign in';
    }
    else
    {
        slideup('Header1_divLogin');
        document.getElementById('spanSignIn').innerHTML = 'Sign in';
    }
}

function setCheckbox(strCheckboxName, strCheckboxValue, objCheckboxImage, strCheckboxImage, strCheckboxImageOn)
{
	var objCheckbox = document.getElementById(strCheckboxName);
	if (objCheckbox.value == "")
	{
		objCheckboxImage.src = strCheckboxImageOn;
		objCheckbox.value = strCheckboxValue;
	}
	else
	{
		objCheckboxImage.src = strCheckboxImage;
		objCheckbox.value = "";
	}
}