// JavaScript Document

function init1(){
	preLoadImages();
	showProductFeature();
}
function init(){
	preLoadImages();
}

function showSubMenu(divId){
	document.getElementById(divId).style.display = "block";
	//alert('url(../_images/'+parentDiv+'_on.jpg) top left no-repeat');
}

function hideSubMenu(divId){
	document.getElementById(divId).style.display = "none";
}

function preLoadImages(){
    if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "../_images/tab_home_on.jpg";
      image_url[1] = "../_images/tab_products_on.jpg";
      image_url[2] = "../_images/tab_manufacturers_on.jpg";
      image_url[3] = "../_images/tab_about_on.jpg";
	  image_url[4] = "../_images/tab_support_on.jpg";
	  image_url[5] = "../_images/tab_contact_on.jpg";

       var i = 0;
       for(i=0; i<=5; i++) 
         preload_image_object.src = image_url[i];
    }
}

function showProductFeature(){
	var randomnumber = Math.floor(Math.random()*13)
	
	document.getElementById(randomnumber).style.display = "block";	
}