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.timer.beg1.value);
	sec1=0+Seconds(document.timer.beg1.value);
	UpRepeat();
}
function UpRepeat() {
	csec1++;
	if(csec1==60) {
		csec1=0;
		cmin1++;
	}
	document.timer.disp1.value=Display(cmin1,csec1);
	if((cmin1==min1)&&(csec1==sec1))
		alert("Timpul a expirat");
	else
		up=setTimeout("UpRepeat()",1000);
}
function Down() {
	cmin2=1*Minutes(document.timer.sorter.value);
	csec2=0+Seconds(document.timer.sorter.value);
	DownRepeat(); 
}
function DownRepeat() {
	csec2--;
	if(csec2==-1) { 
		csec2=59;
		cmin2--;
	}
	document.timer.timershow.value=Display(cmin2,csec2);
	if((cmin2==0)&&(csec2==0)) {
		if (!confirm("Timpul a expirat!"))
			document.chestionar.submit();
	}
	else 
		down=setTimeout("DownRepeat()",1000); 
}