//var InternetExplorer = navigator.appName.indexOf("Microsoft") != -1;
var dataModified=0;
// Handle all the the FSCommand messages in a Flash movie
/*function flashHeader_DoFSCommand(command, args) 
{
  var flashHeaderObj = InternetExplorer ? flashHeader : document.flashHeader;
  isModified(args);  
}

// Flash fsCommand Hook for Internet Explorer
if (navigator.appName && 
  navigator.appName.indexOf("Microsoft") != -1 &&
  navigator.userAgent.indexOf("Windows") != -1 && 
  navigator.userAgent.indexOf("Windows 3.1") == -1) 
{
  document.write('<SCRIPT LANGUAGE=VBScript\> \n');
  document.write('on error resume next \n');
  document.write(
    'Sub flashHeader_FSCommand(ByVal command, ByVal args)\n');
  document.write(
    ' call flashHeader_DoFSCommand(command, args)\n');
  document.write('end sub\n');
  document.write('</SCRIPT\> \n');
}
*/

function openLocationDetails() {
	if (!document.classForm.siteRoomID.value) {
		alert('Please select a location.');
	} else {
		window.open('admin/sup_site_detail_view.php?siteRoomID='+document.classForm.siteRoomID.value, 'remote', 'height=600,width=600,screenX=50,left=50,screenY=10,top=10,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=0,status=0,toolbar=0');
	}
}

// check if page data has been modified
function isModified(URL) {
	if(dataModified) {
		if(!confirm("You have modified this page and have not saved your changes.\nClick Ok to continue without saving your changes\nor Cancel to return to this page."))
			return false;
	}
	
	if(!URL) return true;
	switch(URL) {
		case "main":
			location.href="index.php";
		break;
		
		case "inservice":
			location.href="index.php?page=course/index.php";
		break;
		
		case "calendar":
			calURL = "index.php?page=calendar/index.php";			location.href=calURL;
		break;
		
		case "resource":
			location.href="index.php?page=resource/index.php";
		break;
		
		case "help":
			location.href="index.php?page=help/index.php";
		break;
		
		default:
			location.href=URL;
	}
}

// sets page status to modified
function setModified() {
	if(!dataModified) {
		dataModified=1;
		document.title+=" * [Modified]";
	}
}

function openSupplyTeacherCalendar(year, month) {
  window.open('admin/sup_supply_teacher_calendar.php?intYear='+year+'&intMonth='+month, 'remote', 'height=300,width=280,screenX=50,left=50,screenY=10,top=10,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=0,status=0,toolbar=0');
}

function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + num + '.' + cents);
}

function setDateActiveToToday(theYear, theMonth, theDay) {
	document.classForm.date_active_year.value = theYear;
	document.classForm.date_active_month.value = theMonth;
	document.classForm.date_active_day.value = theDay;
}

function tableEvenRows(tableID, start, lessMax, className) {
	var tab = document.getElementById(tableID);
	if(tab) {
		var rows = tab.rows;			
		var evenRow=1;
		for(i=start;i<rows.length-lessMax;i++) {
			evenRow^=1;
			if(evenRow) {
				row = rows[i];
				row.className=className;
			} else {
				row = rows[i];
				row.className="";
			}
		}
	}
}