var strPathToRoot = '/';

function imgNavOn(imgName) {	
	if (document.images) {
		if (document[imgName]) 
			document[imgName].src = eval(imgName + "on.src");        
	}	
}

function imgNavOff(imgName,intAvailable) {
	if (document.images) { 
		if (document[imgName]) 
			if (intAvailable == 1)
				document[imgName].src = eval(imgName + "off.src");			
			else
				document[imgName].src = eval(imgName + "blocked.src");			
	}	
}

if (document.images) {
	img1on = new Image();
	img1on.src = strPathToRoot + "images/channels/home_over.gif";  
	img2on = new Image();
	img2on.src = strPathToRoot + "images/channels/nav_2_over.gif";  
	img3on = new Image();
	img3on.src = strPathToRoot + "images/channels/nav_3_over.gif";  
	img4on = new Image();
	img4on.src = strPathToRoot + "images/channels/nav_4_over.gif";  
	img5on = new Image();
	img5on.src = strPathToRoot + "images/channels/nav_5_over.gif";  
	img6on = new Image();	
	img6on.src = strPathToRoot + "images/channels/nav_6_over.gif";  				
	img7on = new Image();	
	img7on.src = strPathToRoot + "images/channels/nav_7_over.gif";  				
	img8on = new Image();	
	img8on.src = strPathToRoot + "images/channels/nav_8_over.gif"; 
		
	img1off = new Image();
	img1off.src = strPathToRoot + "images/channels/home.gif";  
	img2off = new Image();
	img2off.src = strPathToRoot + "images/channels/nav_2.gif";  
	img3off = new Image();
	img3off.src = strPathToRoot + "images/channels/nav_3.gif";  
	img4off = new Image();
	img4off.src = strPathToRoot + "images/channels/nav_4.gif";  
	img5off = new Image();
	img5off.src = strPathToRoot + "images/channels/nav_5.gif";  
	img6off = new Image();	
	img6off.src = strPathToRoot + "images/channels/nav_6.gif";  				
	img7off = new Image();	
	img7off.src = strPathToRoot + "images/channels/nav_7.gif";
	img8off = new Image();	
	img8off.src = strPathToRoot + "images/channels/nav_8.gif";	
	
	img2blocked = new Image();
	img2blocked.src = strPathToRoot + "images/channels/nav_2_blocked.gif";  
	img3blocked = new Image();
	img3blocked.src = strPathToRoot + "images/channels/nav_3_blocked.gif";  
	img4blocked = new Image();
	img4blocked.src = strPathToRoot + "images/channels/nav_4_blocked.gif";  
	img5blocked = new Image();
	img5blocked.src = strPathToRoot + "images/channels/nav_5_blocked.gif";  
	img6blocked = new Image();	
	img6blocked.src = strPathToRoot + "images/channels/nav_6_blocked.gif";  				
	img7blocked = new Image();	
	img7blocked.src = strPathToRoot + "images/channels/nav_7_blocked.gif";  	
	img8blocked = new Image();	
	img8blocked.src = strPathToRoot + "images/channels/nav_8_blocked.gif";  		  		
}