var clockid=new Array()
var i_clock=-1
	
function writeclock() {
	i_clock++
	if (document.all || document.getElementById || document.layers) {
		clockid[i_clock]="clock"+i_clock

	}
}


var preload=new Array();
for(var i=0;i<nimages;i++)
{
	preload[i]=new Image();
	preload[i].src="img_header/"+ images[i];
}


function clockon() {

	// random
	var w=get_random_img();

 	//------------------------------------------------------------------- qui 123!???

	var thisimg="<img valign=\"bottom\" src=\"img_header/"+images[w]+"\" border=\"0\" height=\"123\"></img>";
		
	if (document.all) {
		for (i=0;i<=clockid.length-1;i++) {
			var thisclock=eval(clockid[i]);
			thisclock.innerHTML=thisimg;
		}
	}
	
	if (document.getElementById) {
		for (i=0;i<=clockid.length-1;i++) {
			document.getElementById(clockid[i]).innerHTML=thisimg;
		}
	}
	var timer=setTimeout("clockon()",3000);
}
writeclock();
window.onload=clockon;