var step=1;
var speed=4;
var number_of_images=4;

var image1=new Image();
image1.src="http://www.concreteanswers.org/images/Grace_SuperSponsor_160x81.jpg";

var image2=new Image();
image2.src="http://www.concreteanswers.org/images/Trimble_SuperSponsor_160x81.jpg";

var image3=new Image();
image3.src="http://www.concreteanswers.org/images/BASF_SuperSponsor_160x81.jpg";

var image4=new Image();
image4.src="http://www.concreteanswers.org/images/Sika2010-160x81.jpg";




/* Pages you want corresponding banners to link to. */



var link1 = "http://www.graceconstruction.com";
var link2 = "http://www.trimble.com";
var link3 = "http://www.basf-admixtures.com/en/Pages/default.aspx";
var link4 = "http://www.sika.com";




window.onerror=reapply;

function reapply() {
setTimeout("slideit()",9000);
return true;
}
function slideit(){
if (!document.images) return;
if (document.all) slide.filters.blendTrans.apply();
document.images.slide.src=eval("image"+step+".src");
if (document.all) {
slide.filters.blendTrans.play();
document.all["slide1"].href=eval("link"+step);
} else if(document.getElementById) {
document.getElementById("slide1").href=eval("link"+step);
}
if (step<number_of_images)
step++;
else
step=1;
if (document.all)
setTimeout("slideit()",speed*1000+3000);
else
setTimeout("slideit()",speed*1000);
}
window.onload = function(){slideit();}