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];}
}
//-->




//check data in forms
function isEmail(elm) {
    if (elm.value.indexOf("@") == "-1" || elm.value.indexOf(".") == "-1" || elm.value == "")
    return true;
    else return false;
}


function checkData_contactus() {
  	if (document.form_contactus.name.value.length == 0) {
		alert("Please enter your Name. ");
		document.form_contactus.name.focus();
       return false;
	};
	if (document.form_contactus.phone.value.length == 0)  {
       alert("Please enter a valid Phone number.");
		document.form_contactus.phone.focus();
       return false;
    };
	if (isEmail(document.form_contactus.email) == true) {
       alert("Please enter a valid Email address.");
		document.form_contactus.email.focus();
       return false;
    };

	return true;
}



function checkData_assessment() {
  	if (document.form_assessment.firstname.value.length == 0) {
		alert("Please enter your First Name. ");
		document.form_assessment.firstname.focus();
       return false;
	};
	
    if (document.form_assessment.lastname.value.length == 0) {
		alert("Please enter your Last Name. ");
		document.form_assessment.lastname.focus();
       return false;
	};
	
	
	if (isEmail(document.form_assessment.email) == true) {
       alert("Please enter a valid Email address.");
		document.form_contactus.assessment.focus();
       return false;
    };

	return true;
}