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_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_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 changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

function textCounter(field,cntfield,maxlimit) {
	if (field.value.length > maxlimit) // if too long...trim it!
	field.value = field.value.substring(0, maxlimit);
	// otherwise, update 'characters left' counter
	else
	cntfield.innerHTML = '' + (maxlimit - field.value.length).toString() + ' characters remaining.';

}

function setDefault(element, defaultval) {
if (element.value == "") element.value = defaultval;
}

function setEmpty(element, defaultval) {
if (element.value == defaultval) element.value = '';
}

function setColor(element, bg){
    element.style.backgroundColor = bg;
}

function agreedOn(checkbox, button){
if (checkbox.checked == true) button.disabled = false;
if (checkbox.checked == false) button.disabled = true;
}

function enablex(x){
x.disabled = false;
}
function disablex(x){
x.disabled = true;
}

function setInnerHTML(element, newtext) {
	document.getElementById(element).innerHTML = newtext;
}

function checkMail(element, newelementval, warningid, warningtext) {
if (element.value.search(/^[^@]+@[^@]+.[a-z]{2,}$/i) == -1) {
	element.value = newelementval;
	document.getElementById(warningid).innerHTML = warningtext;
	}
else {
	document.getElementById(warningid).innerHTML = '';	
	}	
}


function checkPass(element1, element2, warningid) {
	document.getElementById(warningid).innerHTML = '';
if (document.getElementById(element2).value.length < 5){
	document.getElementById(warningid).innerHTML = 'Password is too short. ';	
	document.getElementById(element1).value = '';
	document.getElementById(element2).value = '';	
	}	
if (document.getElementById(element1).value != document.getElementById(element2).value){
	document.getElementById(warningid).innerHTML = 'Passwords must be identical.';	
	document.getElementById(element1).value = '';
	document.getElementById(element2).value = '';	
	}			
}
function checkURL(element, newelementval, warningid, warningtext) {
	var v = new RegExp();
    	v.compile("http:\/\/([\\w-]+\\.)+[\\w-]+(\/[\\w- .\/?%&=]*)?"); 
if (element.value.search(v) == -1) {
	element.value = newelementval;
	document.getElementById(warningid).innerHTML = warningtext;
	}
else {
	document.getElementById(warningid).innerHTML = '';	
	}	
}

function checkChanged (element, text, warningid, warningtext) {
if (element.value == text) {
	document.getElementById(warningid).innerHTML = warningtext;	
	}
else {
	document.getElementById(warningid).innerHTML = '';
	}	
}

function numberOnly(evt){
	evt=(evt)?evt:event;
	var charCode=(evt.charCode)?evt.charCode:((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));
	if(charCode>31&&(charCode<48||charCode>57)){
		return false;
	}
	return true;
}