// JavaScript Document

function roll_over(img_name, img_src, main_src)   {
     document.getElementById(img_name).style.backgroundImage = "url(images/"+img_src+")";
     document.getElementById("navbar_image").style.backgroundImage = 'url(images/'+main_src+')';
//   document[img_name].src = img_src;
//   document["img_main"].src = main_src;
}

function roll_out(img_name, img_src)   {
     document.getElementById(img_name).style.backgroundImage = 'url(images/'+img_src+')';
//   document[img_name].src = img_src;
}

function auto_text_divs(){
	text_divs();
	setTimeout("auto_text_divs()",32000);
}

function text_divs(){
for (i=1;i<=4;i++)
	setTimeout("change_text_divs('"+i+"')",(i-1)*8000);
}

function change_text_divs(id){
	$('#rolling_title').fadeIn('slow');
	document.getElementById("rolling_title").style.backgroundImage="url(images/rolling_title_s"+id+".jpg)";
	setTimeout("fade_out_div()", 6500);
}

function fade_out_div() {
	$('#rolling_title').fadeOut('slow');
}

function preload_images(){
 nav_1_s1 = new Image();
 nav_1_s1.src="images/nav_1_s1.jpg";  
 nav_1_s2 = new Image();
 nav_1_s2.src="images/nav_1_s2.jpg";  
 nav_2_s1 = new Image();
 nav_2_s1.src="images/nav_2_s1.jpg";  
 nav_2_s2 = new Image();
 nav_2_s2.src="images/nav_2_s2.jpg";  
 nav_3_s1 = new Image();
 nav_3_s1.src="images/nav_3_s1.jpg";  
 nav_3_s2 = new Image();
 nav_3_s2.src="images/nav_3_s2.jpg";  
 nav_4_s1 = new Image();
 nav_4_s1.src="images/nav_4_s1.jpg";  
 nav_4_s2 = new Image();
 nav_4_s2.src="images/nav_4_s2.jpg";  
 nav_5_s1 = new Image();
 nav_5_s1.src="images/nav_5_s1.jpg";  
 nav_5_s2 = new Image();
 nav_5_s2.src="images/nav_5_s2.jpg";   
 nav_6_s1 = new Image();
 nav_6_s1.src="images/nav_6_s1.jpg";  
 nav_6_s2 = new Image();
 nav_6_s2.src="images/nav_6_s2.jpg"; 
 nav_7_s2 = new Image();
 nav_7_s2.src="images/nav_7_s2.jpg"; 

 navbar_image_s1 = new Image();
 navbar_image_s1.src="images/navbar_image_s1.jpg"; 
 navbar_image_s2 = new Image();
 navbar_image_s2.src="images/navbar_image_s2.jpg"; 
 navbar_image_s3 = new Image();
 navbar_image_s3.src="images/navbar_image_s3.jpg"; 
 navbar_image_s4 = new Image();
 navbar_image_s4.src="images/navbar_image_s4.jpg"; 
 navbar_image_s5 = new Image();
 navbar_image_s5.src="images/navbar_image_s5.jpg"; 
 navbar_image_s6 = new Image();
 navbar_image_s6.src="images/navbar_image_s6.jpg"; 
 navbar_image_s7 = new Image();
 navbar_image_s7.src="images/navbar_image_s7.jpg";  
   
}