// preload homepage images
function PreloadImages()
{
/*	if( document.images )
	{
		var o_preload_images = new Image();

 		image_url = new Array();
		image_url[ 0 ] = "images/header_main_over.jpg";
		image_url[ 1 ] = "images/header_cart_over.jpg";
		image_url[ 2 ] = "images/header_newsletter_over.jpg";
		image_url[ 3 ] = "images/header_menu_1_over.jpg";
		image_url[ 4 ] = "images/header_menu_2_over.jpg";
		image_url[ 5 ] = "images/header_menu_3_over.jpg";
		image_url[ 6 ] = "images/header_menu_4_over.jpg";
		image_url[ 7 ] = "images/header_menu_5_over.jpg";
		
 		for( var n = 0; n <= image_url.length; n++ ) 
			o_preload_images.src = image_url[ n ];
	}
*/
}

// browse by category
function Browse()
{
	var frm = document.frmBrowse;
	
	// make sure category has been selected
	if( frm.nCategoryID.value != -1 ) frm.submit();
}

// find product
function Search()
{
	var frm = document.frmSearch;
	
	// search term has NOT been entered
	if( frm.sSearch.value == "Find product" ) frm.sSearch.value = "";
	
	// submit form
	frm.submit();
}