var links = new Array();
links[1] = "http://www.ctiforum.com/index.php?m=poster&c=index&a=poster_click&siteid=1&id=1150";
var imgs = new Array();
for(var n = 1; n <= 5; n++) imgs[n] = new Image();
imgs[1].src = "http://www.ctiforum.com/uploadfile/2018/1112/20181112014159849.jpg";
var tits = new Array();
tits[1] ="ÀÏÇØÒ¹Òë";
var imgwidth = 260;//ͼƬ¿í¶È
var imgheight = 175;//ͼƬ¿í¶È
var str = "";
//var nums=1;
//var nums=nums+0.5
//var i=Math.round(nums*Math.random());
//if(i<0 )i=1;
//if(i>3)i=3;

var i= 1;
str += "<div><a id='dlink' href='" + links[i] + "' target='_blank'><img id='dimg' src='" + imgs[i].src + "' border='0' width='" + imgwidth + "' height='"+imgheight+"' ></a></div>";
document.write(str);