if(screen.width<639)
[document.write("Hello, you have reached the Eagle Rock Alliance home page. Please adjust your display monitor to 640 or greater.")}

if(screen.width==640)
{document.write("IMG SRC=630px.gif>")}

if(screen.width==800)
{document.write("IMG SRC=750px.gif>")}

if(screen.width>=1024)
{document.write("IMG SRC=850px.gif>")}