var initial=new Date();
var terminado=false;

function clock(){ // al_malaqi@hotmail.com
	if (!terminado){
		var now=new Date();
		total_secs=(Math.floor((now.getTime()-initial.getTime())/1000));
		secs=(total_secs % 60);
		if (secs<10)
			secs="0"+secs;
		mins=(Math.floor(total_secs / 60) % 60); 
		if (mins<10)
			mins="0"+mins;
		hors=Math.floor(total_secs / 3600);
		if (hors<10)
			hors="0"+hors;	
		document.getElementById("et").innerHTML="<font size='2' face='Verdana' color='#CED1A6'>Tiempo transcurrido: " + hors + ":" + mins + ":" + secs+"</font>"; // ElapsepTime
		setTimeout("clock()", 500);
	}
}