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.sw.beg1.value);
	sec1=0+Seconds(document.sw.beg1.value);
	UpRepeat(); 
}

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

function Start(begin) {
	cmin2=1*Minutes(begin);
	csec2=0+Seconds(begin);
	DownRepeat();
}

function DownRepeat() {
	csec2--;
	if(csec2==-1) { csec2=59; cmin2--; }
	document.sw.disp2.value=Display(cmin2,csec2);
	if((cmin2==0)&&(csec2==0)) {
		openSelector();
	}
	else down=setTimeout("DownRepeat()",1000); 
}

function openSelector(selectorUrl){
	selector = open(selectorUrl,"selectorWindow","width=250,height=250,screenX=0,screenY=0");
	selector.focus();
}


