function openwin1() { 
window.open("RUIRUI-1.HTML","","top=0,left=0,status=no, menubar=no, resizable=no, scrollbars=yes,width=1024,height=768") 
} 
function openwin2() { 
window.open("RUIRUI-2.HTML","","top=0,left=0,status=no, menubar=no, resizable=no, scrollbars=yes,width=1024,height=768") 
}
function openwin3() { 
window.open("RUIRUI-3.HTML","","top=0,left=0,status=no, menubar=no, resizable=no, scrollbars=yes,width=1024,height=768") 
}