function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

//document.oncontextmenu = function(){return false}

function notEmail(string) {
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return false;
    else
        return true;
}

function checkForm(f)
{	
	var msg="";
	
	for(var i=0; i<f.elements.length; i++){
		var e = f.elements[i];
		if (((e.type.substring(0,4)=='text'||e.type.substring(0,8)=='password') && e.value=='')||(e.type.substring(0,6)=='select' && e.selectedIndex==0)) {
			if (msg=="") {e.focus();}
			msg += "Please enter " + e.name.replace(/_/g," ") + "\n";
		}
	}
	if (msg!="") {
		alert(msg);
		return false;
	}
	
	for(var i=0; i<f.elements.length; i++){
		var e = f.elements[i];
			if ((e.name.indexOf('email') != -1) && notEmail(e.value)){
			e.focus();
			alert("'"+e.value+"'"+' is not a valid e-mail address.');
			return false;
		}
	}

}

function date_is_valid(day, month, year) {
    var month_length = new Array( 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
    if ( is_leap_year(year) )  month_length[2] = 29;
    if ( month < 1 || month > 12 ) return false;  
	if ( day < 1 || day > month_length[month] ) return false;
	return true;
}


function is_number(x) {
	if (x) {
		if(isNaN(x.value)|| x.value <0) {
			alert(x.name.substring(2,999).replace(/_/g," ") + " is not a valid number, please correct");
			x.focus();
			return false;
		}
	}
	return true;
}

    
function is_leap_year(year) {
    if ( (year%4) != 0 ) return false;          
    if ( (year%400) == 0 ) return true;            
    if ( (year%100) == 0 ) return false;                                 
    return true ;           
}

function confirmAction(url,msg) {
	if(confirm(msg)) location.href = url;
}

function checkTickBox (box,msg) {
	var e = document.getElementById(box);
	if(!e.checked) {
		alert(msg);
		return false;
	} else {
		return true;
	}
}


function openPlainWindow (url,w,h) {	
	var X = 0;
	var Y = 0;
	if (screen.availWidth) {
		X = (screen.availWidth / 2) - (w / 2) - 5;
		Y = (screen.availHeight / 2) - (h / 2);
	} else {
		X = (800 / 2) - (w / 2) - 5;
		Y = (600 / 2) - (h / 2);
	} 
	popupWindow = window.open(url, 'popUp', 'left=' + X + 
		'screenX=' + X + 'screenY=' + Y + ',top=' + Y + 
		',toolbar=no, scrollbars=no, resizable=no, directories=no, location=no, status=no' + 
		',height=' + h + ',width=' + w);
	popupWindow.focus();
}

function openFullScreen (url) {	
	popupWindow = window.open(url, 'popUp', 
		',toolbar=no, scrollbars=no, resizable=no, directories=no, location=no, status=no, fullscreen=yes');
	popupWindow.focus();
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}