//This script performs rollover functions in html document


 		home_over = new Image ();
		home_over.src = "http://www.btstalk.com/menu/home_over.gif";
      	music_over = new Image();   
	 	music_over.src = "http://www.btstalk.com/menu/music_over.gif";
        contact_over = new Image();   
	 	contact_over.src = "http://www.btstalk.com/menu/contact_over.gif";
        forum_over = new Image();   
	    forum_over.src = "http://www.btstalk.com/menu/forum_over.gif"; 
		
        purchase_over = new Image();   
	    purchase_over.src = "http://www.btstalk.com/music/images/purchase_over.gif"; 
				      
		
		home_off = new Image ();
		home_off.src = "http://www.btstalk.com/menu/home_off.gif";
        music_off = new Image();   
	 	music_off.src = "http://www.btstalk.com/menu/music_off.gif";
        contact_off = new Image();   
	 	contact_off.src = "http://www.btstalk.com/menu/contact_off.gif";
        forum_off = new Image();   
	 	forum_off.src = "http://www.btstalk.com/menu/forum_off.gif";
		
		purchase_off = new Image();   
	    purchase_off.src = "http://www.btstalk.com/music/images/purchase_off.gif"; 


// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_over.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_off.src");
        }
}