<!--
/*第三种形式 利用一个背景层定位*/
var m3={0:"<iframe frameborder='0' scrolling='no' marginheight='0' marginwidth='0' width='400' name='fir1' src='include/include11.jsp'></iframe>",1:"<iframe frameborder='0' scrolling='no' marginheight='0' marginwidth='0' width='400' name='fir2' src='include/include2.html'></iframe>",2:"<iframe frameborder='0' scrolling='no' marginheight='0' marginwidth='0' width='400' name='fir3' src='include/include3.html'></iframe>",3:"<iframe frameborder='0' scrolling='no' marginheight='0' marginwidth='0' width='400' name='fir4' src='include/include4.html'></iframe>"}
function nowtab(m,n){
if(n!=0&&m3[0]=="")m3[0]=document.getElementById("main2").innerHTML;
document.getElementById("tip"+m).style.left=n*100+'px';
document.getElementById("main2").innerHTML=m3[n];
}
//-->
