function openwindow()
{
	window.open("http://gtperformanceinc.com/contact-form.php","mywindow","menubar=0,resizable=0,width=400,height=450");
	 mywindow.moveTo(100,100);
}


var theImages = new Array()

theImages[0] = 'http://gtperformanceinc.com/images/head_1.jpg';
theImages[1] = 'http://gtperformanceinc.com/images/head_2.jpg';
theImages[2] = 'http://gtperformanceinc.com/images/head_3.jpg';
theImages[3] = 'http://gtperformanceinc.com/images/head_4.jpg';
theImages[4] = 'http://gtperformanceinc.com/images/head_5.jpg';
theImages[5] = 'http://gtperformanceinc.com/images/head_6.jpg';
theImages[6] = 'http://gtperformanceinc.com/images/head_7.jpg';

var j = 0;
var p = theImages.length;
var preBuffer = new Array();
for (i = 0; i < p; i++){
   preBuffer[i] = new Image();
   preBuffer[i].src = theImages[i];
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}