if (document.images) 
{ 
homeon= new Image(45,33); 
homeon.src="../Images/BlueWeb/home_ov.jpg"; 
homeoff= new Image(45,33); 
homeoff.src="../Images/BlueWeb/home_up.jpg"; 
homedown=new Image(45,33); 
homedown.src="../Images/BlueWeb/home_dw.jpg"; 

loginon= new Image(91,26); 
loginon.src="../Images/BlueWeb/login_ov.jpg"; 
loginoff= new Image(91,26); 
loginoff.src="../Images/BlueWeb/login_up.jpg"; 
logindown=new Image(91,26); 
logindown.src="../Images/BlueWeb/login_dw.jpg"; 

registeron= new Image(90,26);
registeron.src="../Images/BlueWeb/register_ov.jpg";
registeroff= new Image(90,26);
registeroff.src="../Images/BlueWeb/register_up.jpg";
registerdown=new Image(90,26);
registerdown.src="../Images/BlueWeb/register_dw.jpg";

searchon= new Image(32,26);
searchon.src="../Images/BlueWeb/search_ov.jpg";
searchoff= new Image(32,26);
searchoff.src="../Images/BlueWeb/search_up.jpg";
searchdown=new Image(32,26);
searchdown.src="../Images/BlueWeb/search_dw.jpg";

advSearchon= new Image(90,26); 
advSearchon.src="../Images/BlueWeb/advSearch_ov.jpg";
advSearchoff= new Image(90,26);
advSearchoff.src="../Images/BlueWeb/advSearch_up.jpg";
advSearchdown=new Image(90,26);
advSearchdown.src="../Images/BlueWeb/advSearch_dw.jpg";

siteMapon= new Image(23,28); 
siteMapon.src="../Images/BlueWeb/siteMap_ov.jpg"; 
siteMapoff= new Image(23,28); 
siteMapoff.src="../Images/BlueWeb/siteMap_up.jpg"; 
siteMapdown=new Image(23,28); 
siteMapdown.src="../Images/BlueWeb/siteMap_dw.jpg"; 

contacton= new Image(20,28); 
contacton.src="../Images/BlueWeb/contact_ov.jpg"; 
contactoff= new Image(20,28); 
contactoff.src="../Images/BlueWeb/contact_up.jpg"; 
contactdown=new Image(20,28); 
contactdown.src="../Images/BlueWeb/contact_dw.jpg"; 
} 
function lightup(imgName) 
{ 
if (document.images) 
{ 
imgOn=eval(imgName + "on.src"); 
document[imgName].src= imgOn; 
//alert(document[imgName].src);
} 
} 

function turnoff(imgName) 
{ 
if (document.images) 
{ 
imgOff=eval(imgName + "off.src"); 
document[imgName].src= imgOff; 
} 
} 

function clickdown(imgName) 
{ 
if (document.images) 
{ 
imgDown=eval(imgName + "down.src"); 
document[imgName].src=imgDown; 
} 
}