function getClass(elementId) {
	return document.getElementById(elementId).className;
}

function setClass(elementId, className) {
	return document.getElementById(elementId).className = className;
}

function addClass(elementId, classNameToAdd) {
	var className = getClass(elementId);
	className += " " + classNameToAdd;
	setClass(elementId, className);
}

function removeClass(elementId, classNameToRemove) {
	var className = getClass(elementId);
	var pos = className.indexOf(classNameToRemove);
	if(pos != -1) {
		var newClassName = className.substring(0, pos);
		setClass(elementId, newClassName);
	}
}

function getBrowser() {
	if(navigator.appName.indexOf("Internet Explorer") != -1) {
		return "IE";
	} else if(navigator.appName.indexOf("Opera") != -1) {
		return "OP";
	} else if(navigator.appName.indexOf("Netscape") != -1) {
		return "NE";
	} else {
		return "";
	}
}


function getFrameHeight() {
	var height;
	if(getBrowser() == 'IE' || getBrowser() == 'NE') { // voor IE met DOCTYPE XHTML 1.0 Transitional
		if(document && document.documentElement ) {
			height = document.documentElement.clientHeight;
		}
		// If no document.documentElement.clientHeight then try document.body.clientHeight
		if(height == 0 && document && document.body) {
			height = document.body.clientHeight;
		}	
		return height;
	}

	if(document && document.body ) { // voor IE met DOCTYPE HTML 4.01 Transitional
		return document.body.clientHeight;
	}

	return 0;
}

function getFrameWidth() {
	if(getBrowser() == 'IE' || getBrowser() == 'NE') {
		if(document && document.documentElement ) {
			return document.documentElement.clientWidth;
		}
	}
	if(document && document.body ) {
		return document.body.clientWidth;
	}
	return 0;
}


//Disable right mouse click Script
//By Maximus (maximus@nsimail.com) w/ mods by DynamicDrive
//For full source code, visit http://www.dynamicdrive.com

function disableRightClick() {
	//var message="Function Disabled!";
	
	
	function clickIE4(){
		if (event.button==2){
			return false;
		}
	}
	
	function clickNS4(e){
		if (document.layers||document.getElementById&&!document.all){
			if (e.which==2||e.which==3){
				return false;
			}
		}
	}
	
	if (document.layers) {
		document.captureEvents(Event.MOUSEDOWN);
		document.onmousedown=clickNS4;
	}
	else if (document.all&&!document.getElementById) {
		document.onmousedown=clickIE4;
	}
	
	document.oncontextmenu=new Function("return false");
}


function trim(value) {
	value = value.replace(/^\s+/,'');
	value = value.replace(/\s+$/,'');
	return value;
}

function isDigit(c) {
	return ((c >= "0") && (c <= "9"))
}

function isNumeric(sText) {
	if(sText == null) return true;
	for (i=0; i < sText.length; i++) {
		var achar = sText.charAt(i);
		if(!isDigit(achar)) {
			return false;
		}
	}
	return true;
}


/**
 * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
 * http://javascript.internet.com
 */
function jcv_checkEmail(emailStr) {
	if (emailStr.length == 0) {
		return true;
	}
	// TLD checking turned off by default
	var checkTLD=0;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		}
	}
	if (user.match(userPat)==null) {
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				return false;
			}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		return false;
	}
	if (len<2) {
		return false;
	}
	return true;
}
    
function validatePhone(phone) {
	var checkStr = trim(phone);
	var checkOK = "0123456789-.,/_+() ";
	var digits = 0;
	for (i = 0;  i < checkStr.length;  i++)
	{
		ch = checkStr.charAt(i);
		var validChar = false;
		for (j = 0;  j < checkOK.length;  j++) {
			if (ch == checkOK.charAt(j)) {
				validChar = true;
			}
		}
		if(validChar == false) {
			return false;
		}
		if(isDigit(ch)) {
			digits++;
		}
	}
	if(digits < 9) {
		return false;
	}
	return true;
}

function doBlink() {
	var blink = document.all.tags("BLINK");
	for (var i=0; i<blink.length; i++)
		blink[i].style.visibility = blink[i].style.visibility == "" ? "hidden" : "";
}

function startBlink() {
	if (document.all)
		setInterval("doBlink()",750);
}


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];}}
}


//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}
	//EDDY
	if(yScroll < screen.height) {
		yScroll = screen.height;
	}
	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}


//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


function getHTTPRequestObject() {

  var xmlHttpRequest;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (exception1) {
      try {
        xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (exception2) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttpRequest = false;
  @end @*/
 
  if (!xmlHttpRequest && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlHttpRequest = new XMLHttpRequest();
    } catch (exception) {
      xmlHttpRequest = false;
    }
  }
  return xmlHttpRequest;
}


/* http://www.javascripter.net/faq/browsern.htm */

var nVer = navigator.appVersion;
var nAgt = navigator.userAgent;
var browserName  = navigator.appName;
var fullVersion  = ''+parseFloat(navigator.appVersion); 
var majorVersion = parseInt(navigator.appVersion,10);
var nameOffset,verOffset,ix;

// In MSIE, the true version is after "MSIE" in userAgent
if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
 browserName = "Microsoft Internet Explorer";
 fullVersion = nAgt.substring(verOffset+5);
}
// In Opera, the true version is after "Opera" 
else if ((verOffset=nAgt.indexOf("Opera"))!=-1) {
 browserName = "Opera";
 fullVersion = nAgt.substring(verOffset+6);
}
// In Chrome, the true version is after "Chrome" 
else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) {
 browserName = "Chrome";
 fullVersion = nAgt.substring(verOffset+7);
}
// In Safari, the true version is after "Safari" 
else if ((verOffset=nAgt.indexOf("Safari"))!=-1) {
 browserName = "Safari";
 fullVersion = nAgt.substring(verOffset+7);
}
// In Firefox, the true version is after "Firefox" 
else if ((verOffset=nAgt.indexOf("Firefox"))!=-1) {
 browserName = "Firefox";
 fullVersion = nAgt.substring(verOffset+8);
}
// In most other browsers, "name/version" is at the end of userAgent 
else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) ) 
{
 browserName = nAgt.substring(nameOffset,verOffset);
 fullVersion = nAgt.substring(verOffset+1);
 if (browserName.toLowerCase()==browserName.toUpperCase()) {
  browserName = navigator.appName;
 }
}
// trim the fullVersion string at semicolon/space if present
if ((ix=fullVersion.indexOf(";"))!=-1) fullVersion=fullVersion.substring(0,ix);
if ((ix=fullVersion.indexOf(" "))!=-1) fullVersion=fullVersion.substring(0,ix);

majorVersion = parseInt(''+fullVersion,10);
if (isNaN(majorVersion)) {
 fullVersion  = ''+parseFloat(navigator.appVersion); 
 majorVersion = parseInt(navigator.appVersion,10);
}