if(document.images){ 
home_up = new Image(); home_up.src = "http://www.docklandsblinds.com/images/home_up.gif";
home_ov = new Image(); home_ov.src = "http://www.docklandsblinds.com/images/home_ov.gif"; 
designs_up = new Image(); designs_up.src = "http://www.docklandsblinds.com/images/designs_up.gif";
designs_ov = new Image(); designs_ov.src = "http://www.docklandsblinds.com/images/designs_ov.gif";
styles_up = new Image(); styles_up.src = "http://www.docklandsblinds.com/images/styles_up.gif";
styles_ov = new Image(); styles_ov.src = "http://www.docklandsblinds.com/images/styles_ov.gif";
contact_up = new Image(); contact_up.src = "http://www.docklandsblinds.com/images/contact_up.gif";
contact_ov = new Image(); contact_ov.src = "http://www.docklandsblinds.com/images/contact_ov.gif";
}
function rollover(imageName,imageFile) {
if(document.images) document.images[imageName].src = eval(imageFile + ".src");
}