var index = new Array(
"<img src=\"images/index1.jpg\" alt=\"\">",
"<img src=\"images/index2.jpg\" alt=\"\">",
"<img src=\"images/index3.jpg\" alt=\"\">",
"<img src=\"images/index4.jpg\" alt=\"\">",
"<img src=\"images/index5.jpg\" alt=\"\">",
"<img src=\"images/index6.jpg\" alt=\"\">",
"<img src=\"images/index7.jpg\" alt=\"\">"
);
 
var v = -1;
var w = 0;
var max = index.length;
var z = Math.random();
z *= max;
z = parseInt(z);
if(isNaN(z)) z = 0;
 else z %= max;
 w = z;
 w %= max;
 function displayIndex() 
 {
   var v;
   v = index[w];
    {
	document.write(v);
    }
 }