//main navigation
        preload('navhomeoff','images/nav/btn-home-off.png');
		preload('navhomeovr','images/nav/btn-home-ovr.png');
		preload('navhomeon','images/nav/btn-home-on.png');
		
        preload('navaboutoff','images/nav/btn-about-off.png');
		preload('navaboutovr','images/nav/btn-about-ovr.png');
		preload('navabouton','images/nav/btn-about-on.png');		
		
        preload('navtreatoff','images/nav/btn-treat-off.png');
		preload('navtreatovr','images/nav/btn-treat-ovr.png');
		preload('navtreaton','images/nav/btn-treat-on.png');		
		
        preload('navphotosoff','images/nav/btn-photos-off.png');
		preload('navphotosovr','images/nav/btn-photos-ovr.png');
		preload('navphotoson','images/nav/btn-photos-on.png');		
				
        preload('navstaffoff','images/nav/btn-staff-off.png');
		preload('navstaffovr','images/nav/btn-staff-ovr.png');
		preload('navstaffon','images/nav/btn-staff-on.png');			
		
        preload('navcontactoff','images/nav/btn-contact-off.png');
		preload('navcontactovr','images/nav/btn-contact-ovr.png');
		preload('navcontacton','images/nav/btn-contact-on.png');	
		
		preload('navpackoff','images/nav/btn-pack-off.png');
		preload('navpackovr','images/nav/btn-pack-ovr.png');
		preload('navpackon','images/nav/btn-pack-on.png');
		
		preload('navpackantioff','images/nav/btn-pack-anti-off.png');
		preload('navpackantion','images/nav/btn-pack-anti-on.png');
		
		preload('navpacksunoff','images/nav/btn-pack-sun-off.png');
		preload('navpacksunon','images/nav/btn-pack-sun-on.png');
		
		preload('navpackacneoff','images/nav/btn-pack-acne-off.png');
		preload('navpackacneon','images/nav/btn-pack-acne-on.png');
		
//side navigation

		 preload('sdnavbotoxon','images/nav/sd_botox_on.jpg');
         preload('sdnavbotoxoff','images/nav/sd_botox_off.jpg');
		 
		 preload('sdnavfillerson','images/nav/sd_fillers_on.jpg');
         preload('sdnavfillersoff','images/nav/sd_fillers_off.jpg');
		 
	 	 preload('sdnavrejon','images/nav/sd_rej_on.jpg');
         preload('sdnavrejoff','images/nav/sd_rej_off.jpg');
		 
	 	 preload('sdnavpigon','images/nav/sd_pig_on.jpg');
         preload('sdnavpigoff','images/nav/sd_pig_off.jpg');

 		 preload('sdnavacneon','images/nav/sd_acne_on.jpg');
         preload('sdnavacneoff','images/nav/sd_acne_off.jpg');
		 
		 preload('sdnavcellon','images/nav/sd_cell_on.jpg');
         preload('sdnavcelloff','images/nav/sd_cell_off.jpg');
		 
	 	 preload('sdnavtighton','images/nav/sd_tight_on.jpg');
         preload('sdnavtightoff','images/nav/sd_tight_off.jpg');

		 preload('sdnavlaseron','images/nav/sd_laser_on.jpg');
         preload('sdnavlaseroff','images/nav/sd_laser_off.jpg');
		 
	 	 preload('sdnavchemon','images/nav/sd_chem_on.jpg');
         preload('sdnavchemoff','images/nav/sd_chem_off.jpg');
		 
	 	 preload('sdnavresurfon','images/nav/sd_resurf_on.jpg');
         preload('sdnavresurfoff','images/nav/sd_resurf_off.jpg');
		 
		 preload('sdnavmenon','images/nav/sd_men_on.jpg');
         preload('sdnavmenoff','images/nav/sd_men_off.jpg');
		 
		 preload('sdnavprodon','images/nav/sd_prod_on.jpg');
         preload('sdnavprodoff','images/nav/sd_prod_off.jpg');
		 
	 	 preload('sdnavsmartlipoon','images/nav/sd_smartlipo_on.jpg');
         preload('sdnavsmartlipooff','images/nav/sd_smartlipo_off.jpg');
		 
  		 preload('sdnavveinon','images/nav/sd_veins_on.jpg');
         preload('sdnavveinoff','images/nav/sd_veins_off.jpg');
		 
//header images
		preload('header1','images/header/hd_img_1.png');
		preload('header2','images/header/hd_img_2.png');
		preload('header3','images/header/hd_img_3.png');
		preload('header4','images/header/hd_img_4.png');
		preload('header5','images/header/hd_img_5.png');
		 

function preload(imgObj,imgSrc) {
	/*
		function to preload images
	*/
	if (document.images) {
		eval(imgObj+' = new Image()');
		eval(imgObj+'.src = "'+imgSrc+'"');
	}
}

function changeImage(imgName,imgObj,layer) {
	/*
		function to do rollovers of images
	*/
	if (document.images) {
		if (document.layers) {
			if (layer!=null){
				eval('document.layers.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
			} else {
				document.images[imgName].src = eval(imgObj+".src");
			}
		} else {
			document.images[imgName].src = eval(imgObj+".src");
		}
	}
}


// Copyright 2006-2007 javascript-array.com
// Java scrip for creating the drop down menu under packages

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 


//Show/Hide Text
function toggleShowHide(elementId) 
{
    var element = document.getElementById(elementId);
    if (element) 
	{
        if (element.style.display == "none")
            element.style.display = "inline";
        else
            element.style.display = "none";
    }
}



//code to determine the current page -- not currently used
    // strips out just the page name ... i.e. www.blah.com/index.html would just be returned as index

var loc=String(this.location);  
loc=loc.split("/");  
loc=loc[loc.length-1].split(".");  
loc=loc[loc.length-2];