function random_imglink(){
	  var myimages=new Array()
	 //specify random images below. You can have as many as you wish
	  myimages[1]="media/random/main_1.jpg"
	  myimages[2]="media/random/main_2.jpg"
	  myimages[3]="media/random/main_3.jpg"
	  myimages[4]="media/random/main_4.jpg"
	  myimages[5]="media/random/main_5.jpg"
	  myimages[6]="media/random/main_6.jpg"
	  myimages[7]="media/random/main_7.jpg"
	  myimages[8]="media/random/main_8.jpg"
	  myimages[9]="media/random/main_9.jpg"
	  myimages[10]="media/random/main_10.jpg" 
	  myimages[11]="media/random/main_11.jpg" 
	  myimages[12]="media/random/main_12.jpg" 
	  myimages[13]="media/random/main_13.jpg" 
	  myimages[14]="media/random/main_14.jpg" 
	//calculate
	  var ry=Math.floor(Math.random()*myimages.length)
	  if (ry==0)
	     ry=1
	     document.write('<img src="'+myimages[ry]+'" border=0 width=546 height=312 usemap="#section_bar">')
	}
	  random_imglink()