function RandomNumber() {
	var today = new Date();
	var num= Math.abs(Math.sin(today.getTime()/1000));
	return num;
   }
	function RandomGraphics() {
	var x = RandomNumber();	
	if (x > .90) {document.write("<img src='/images/random/tri-1.jpg' width=173 heith=62>"); return; }
	if (x > .80) {document.write("<img src='/images/random/tri-2.jpg' width=173 heith=62>"); return; }
	if (x > .70) {document.write("<img src='/images/random/tri-3.jpg' width=173 heith=62>"); return; }
	if (x > .60) {document.write("<img src='/images/random/tri-4.jpg' width=173 heith=62>"); return; }
	if (x > .50) {document.write("<img src='/images/random/tri-5.jpg' width=173 heith=62>"); return; }
	if (x > .40) {document.write("<img src='/images/random/tri-6.jpg' width=173 heith=62>"); return; }
	if (x > .30) {document.write("<img src='/images/random/tri-7.jpg' width=173 heith=62>"); return; }
	if (x > .20) {document.write("<img src='/images/random/tri-8.jpg' width=173 heith=62>"); return; }
	if (x > .10) {document.write("<img src='/images/random/tri-9.jpg' width=173 heith=62>"); return; }
	if (x > .0)  {document.write("<img src='/images/random/tri-10.jpg' width=173 heith=62>"); return; }

   }

RandomGraphics()