function random_imglink(){
			var myimages=new Array()
			myimages[1]="images/main-image.jpg"
			myimages[2]="images/main-image1.jpg"
			myimages[3]="images/main-image2.jpg"
			myimages[4]="images/main-image3.jpg"
			var ry=Math.floor(Math.random()*myimages.length)
			if (ry==0)ry=1
			document.write('<img src="'+myimages[ry]+'" border=\"0\" height=\"356\" width=\"698\" alt=\"\" />')}
			random_imglink()