function pict(){
var occ = 7;
var num = Math.floor(Math.random()*occ);
var href = new Array();
var alt = new Array();

if ( num == 0 )
{
	num = 1
}

var src = "<a href='" + href[num] + "'><img src='images/bar/bar" + num +"-big.gif' border='0' /></a>"
document.writeln(src);}