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 Down(sMinutes) {

	cmin2=1*Minutes(sMinutes);

	csec2=0+Seconds("0");

	DownRepeat(); }

function DownRepeat() {

	csec2--;

	if(csec2==-1) { csec2=59; cmin2--; }

	for( var i = 1; i <= timerCount; i++)
	{
		document.getElementById("sessiontimer" + i).innerHTML="<b>" + Display(cmin2,csec2) + "</b>";
	}

	if((cmin2==0)&&(csec2==0)) alert(timeoutMessage);

	else down=setTimeout("DownRepeat()",1000); }