// JavaScript Document

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 checkDate(input)
{
	var pattern = new RegExp("[0-3][0-9]-0|1[0-9]-19|20[0-9]{2}");
	if(!input.match(pattern)){
		return false;
	}
	var inputArray = input.split("-");
	if(isInteger(inputArray[0], 10) && isInteger(inputArray[1], 10) && isInteger(inputArray[2], 10)){
		if(parseInt(inputArray[1], 10) < 1 || parseInt(inputArray[1], 10) > 12)
			return false;
		var date = getDateOfMonth(inputArray[1], inputArray[0]);
		
		if(parseInt(inputArray[2], 10) < 1 || parseInt(inputArray[2], 10) > date)
			return false;
	} 
	return true;
}

function getDateOfMonth(month, year){
	var month_i = parseInt(month, 10);
	switch(month_i){
		case 1: 
		case 3:
		case 5:
		case 7:
		case 8:
		case 10:
		case 12: return 31;
		case 4: 
		case 6:
		case 9:
		case 11: return 30;
		case 2: 
			if(checkleapyear(year))
				return 29;
			else
				return 28;
	}
}

function isInteger(input)
{
	var inputStr = parseInt(input, 10).toString();
	return inputStr != 'NaN';
}

function isValidEmail(input){
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	return filter.test(input);
}

function trimForm(form){
	for(var i = 0 ; i  < form.elements.length; i++){
		if(form.elements[i].type == 'text' || form.elements[i].type == 'textarea'){
			form.elements[i].value = trim(form.elements[i].value);
		}
	}
}

// Removes leading whitespaces
function LTrim( value ) {
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
}

// Removes ending whitespaces
function RTrim( value ) {
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
}

// Removes leading and ending whitespaces
function trim( value ) {
	return LTrim(RTrim(value));
}