var iframeprops='width=500 height=500 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="1" scrolling="no"'
var randomcontent=new Array()
randomcontent[0]="http://www.xtx.kr"
randomcontent[1]="http://www.google.co.kr"
randomcontent[2]="http://www.naver.com"
randomcontent[3]="http://www.nate.com"
if (ie||dom)
document.write('<iframe id="dynstuff" src="" '+iframeprops+'></iframe>')
function random_iframe(){
if (ie||dom){
var iframeobj=document.getElementById? document.getElementById("dynstuff") : document.all.dynstuff
iframeobj.src=randomcontent[Math.floor(Math.random()*randomcontent.length)]
}
}