function makeArray(n) {this.length = n; return this;}
		var temp_date = new Date();
		var global_time = temp_date.getSeconds();
function graphicBlock(time) { 
	  number = 4; // bu deger resim sayisidir
	  pic = new makeArray(number);
	  picLOW = new makeArray(number);  

 pic[0] = "1.jpg";   pic[1] = "2.jpg"; pic[2] = "3.jpg"; pic[3] = "4.jpg";  

  var choice = Math.floor(time) % number
  var string = '<img border="0" align=left hpsace=5 vspace=2 src="' + pic[choice] +  '" LOWSRC="' + picLOW[choice] + '">';
  return string;
}