// JavaScript Document
// ----------------------- SHOW/HIDE DIVS -----------------------//

function HideContent(d) {
	document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
	document.getElementById(d).style.display = "";
}
function ReverseContentDisplay(d, str) {
	if(str != "") {
		myCollection = document.getElementsByTagName("UL");
		var tmpName = "";
		for(i=0; i<myCollection.length; i++) {
			tmpName = myCollection[i].id;
			if(tmpName != "") {
				if(tmpName.indexOf(str) == 0) {
					document.getElementById(tmpName).style.display = "none";
				}
			}
		}
	}
	if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = ""; }
	else { document.getElementById(d).style.display = "none"; }
}

// -----------------------  -----------------------//

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
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 swapItemOver(item, type) {
	if(document.getElementById) {
		aObj = document.getElementById(item);
		aObj.className = "nav_main-ovr";
	}
}
	
function swapItemOff(item,type) {
	if(document.getElementById) {
		aObj = document.getElementById(item);
		aObj.className = "nav_main";
	}
}

function open_window(link, title, width, height){
	//alert(link+', '+title);
	window.open(link, title, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height);
}
function open_survey_window(link, title, width, height){
	//alert(link+', '+title);
	window.open(link, title, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height);
}


MM_preloadImages('images/headernav_home_on.gif','images/headernav_contact_on.gif');
MM_preloadImages('images/footernav_print_on.gif','images/footernav_send_on.gif');
function setLook() {
	IE = (navigator.userAgent.indexOf('MSIE') > -1) ? 1 : 0;
	if (document.getElementById) {
		var nodeObj = document.getElementById('content');
		alert(nodeObj);
		var myHeight = document.getElementById('content').style;
		alert(myHeight);
		nodeObj = document.getElementById('nav');
		nodeObj.style.height = parseInt(myHeight)+"px";
	}
}


matchHeight = function() {
	var divs,contDivs,maxHeight,divHeight,d;
	// get all <div> elements in the document
	divs=document.getElementsByTagName('div');

	contDivs=[];
	// initialize maximum height value
	maxHeight=0;
	// iterate over all <div> elements in the document
	for(var i=0;i<divs.length;i++){
		// make collection with <div> elements with class attribute 'container'
		if(/\bmycontainer\b/.test(divs[i].className)) {
			d=divs[i];
			contDivs[contDivs.length]=d;
			// determine height for <div> element
			if(d.offsetHeight){
				divHeight=d.offsetHeight;
				//alert("offsetHeight - " + d.offsetHeight);
			}
			else if(d.style.pixelHeight){
				divHeight=d.style.pixelHeight;
				//alert("pixelHeight - " + d.pixelHeight);
			}
	//		alert(divHeight);
			// calculate maximum height
			maxHeight=Math.max(maxHeight,divHeight);
          }
     }
	// alert(maxHeight);
	// assign maximum height value to all of container <div> elements
	for(var i=0;i<contDivs.length;i++){
		contDivs[i].style.height=maxHeight + "px";
		//alert(contDivs[i].style.height + " - " + contDivs[i].offsetHeight);
	} 
}
// execute function when page loads

window.onload=function(){
     if(document.getElementsByTagName){
          matchHeight();
     }
} 
function trimAll(sString)
{
	while (sString.substring(0,1) == ' ') {
		sString = sString.substring(1, sString.length);
	}
	while (sString.substring(sString.length-1, sString.length) == ' ') {
		sString = sString.substring(0,sString.length-1);
	}
	return sString;
}

function isValidEmail(str) {
	return (str.indexOf(".") > 0) && (str.indexOf("@") > 0);
}

function isFormComplete(FormName,formFields) {
	var x = 0, i = 0;
	var formArray = formFields.split(",");
	for(i=0; i < FormName.elements.length; i++) {
		for (x=0; x < formArray.length; x++) {
			if (FormName.elements[i].name == formArray[x] && trimAll(FormName.elements[i].value) == "") {
				alert('Please enter the '+FormName.elements[i].name +' and try again.');
				FormName.elements[i].focus();
				return false;
			}
		}
	}
	return true;
}

function submitForm(form) {
	if (!isFormComplete(form, form.required.value)) {
		return false;
	}
	if (!isValidEmail(form.email.value)) {
		alert("Please enter the a valid Email.");
		form.email.focus();
		return false;
	}
}
function textCounter(field, countfield, maxlimit) {
	if (field.value.length > maxlimit) {
		field.value = field.value.substring(0, maxlimit);
		alert('You have exeeded the charactor limit');
	// otherwise, update 'characters left' counter
	} else 
		countfield.value = maxlimit - field.value.length;
}
function checkValue(field,text,newfield){
	if(field.value=='Other'){
		newfield.style.visibility = "visible";
		newfield.focus();
		newfield.value=text;
		newfield.select();
		field.value='';
	}else{
		newfield.value='';
		newfield.style.visibility = "hidden";
	}
}