var up,down;
var min1,sec1;
var cmin1,csec1,cmin2,csec2;

function Minutes(data) {
	for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break;
	return(data.substring(0,i)); }

function Seconds(data) {
	for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break;
	return(data.substring(i+1,data.length)); }


function Display(min,sec) {
	var disp;
	if(min<=9) disp=" 0";
	else disp=" ";
	disp+=min+":";
	if(sec<=9) disp+="0"+sec;
	else disp+=sec;
	return(disp); }


function Up() {
	cmin1=0;
	csec1=0;
	min1=0+Minutes(document.spanny.beg1.value);
	sec1=0+Seconds(document.spanny.beg1.value);
	UpRepeat(); }


function UpRepeat() {
	csec1++;
	if(csec1==60) { csec1=0; cmin1++; }
	document.spanny.disp1.value=Display(cmin1,csec1);
	if((cmin1==min1)&&(csec1==sec1)) alert("Stopwatch Stopped");
	else up=setTimeout("UpRepeat()",1000); 
}