function Get_Cookie(name) {
    var start = document.cookie.indexOf(name+"=");
    var len = start+name.length+1;
    if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
    if (start == -1) return null;
    var end = document.cookie.indexOf(";",len);
    if (end == -1) end = document.cookie.length;
    return unescape(document.cookie.substring(len,end));
}

function Set_Cookie(name,value,expires,path,domain,secure) {
    document.cookie = name + "=" +escape(value) +
        ( (expires) ? ";expires=" + expires.toGMTString() : "") +
        ( (path) ? ";path=" + path : "") + 
        ( (domain) ? ";domain=" + domain : "") +
        ( (secure) ? ";secure" : "");
}

function Delete_Cookie(name,path,domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" +
       ( (path) ? ";path=" + path : "") +
       ( (domain) ? ";domain=" + domain : "") +
       ";expires=Thu, 01-Jan-70 00:00:01 GMT";
}



function popUp(url, winname, width, height, scroll, resize, status) {
	newWin=window.open(url,winname,'toolbar=0,location=0,directories=0,,menubar=0' 
		+ ',scrollbars='+scroll 
		+ ',resizable='+resize 
		+ ',status=' + status 
		+ ',width=' + width 
		+ ',height='+ height);
	self.name = "mainWin"; 
}


function MM_findObj(n, d) { //v3.0
  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); return x;
}
/* Functions that swaps images. */
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 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;
}

/* Functions that handle preload. */
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 removeAB(str_) {
		digits = '0123456789.';
		clr = '';
		for (i=0; i<str_.length; i++) {
			if (digits.indexOf(str_.charAt(i))>-1) {
				clr +=  str_.charAt(i);
			}
		}
		if (clr.length == 0) { clr = "0"; }
		return clr;
	}

/* ---------- Container 'class' : includes UI methods and Form validating methods ------------- */
/* use "Container.setObject(el)" to set any element into the container object (globally within  **
** the instance, OR "Container.Form.setObject(formEl)" to set any form element into the 				**
** Container object's FORM instance (or delegation). Container.UI.* methods are supported by		**
** objects set with the global Container.setObject and those objects share all of the methods		**	
** in each Container.* 'class', whereas Container.Form.setObject objects only support						**
** Container.Form.* methods. this will be the default mechanism for all common JS activity      **
** -------------------------------------------------------------------------------------------- */

var Container = {
	itself: null,	
	setObject: function(element) { this.itself = element; },
	UI: {
		setElementVisual: function() {
			if(!Container.itself) return;
			var element = Container.itself;
			var elUI = Container.itself.style;	
			var state = element.getAttribute("status");
			var destruct = function() { window.eventElementState = element.getAttribute("status"); }
			if(!state || state == "hidden" || state == "static") {
				elUI.visibility = "visible";
				elUI.display = "block";
				element.setAttribute("status", "shown");				
			} else {
				elUI.visibility = "hidden";
				elUI.display = "none";
				element.setAttribute("status", "hidden");
			} destruct();
		}
	},
	Form: {
		itself: null,	
		setObject: function(form) { this.itself = form; },
		validate: function(fields, messages, displayBox, e) {
			var WEB_ID_FORM = document.qForm_1;
			var USE_DISPLAY = false;
			var form = this.itself;
			var messenger = function(m) { alert(m); };
			if(!displayBox) displayBox = "MSG_default";
			if(USE_DISPLAY) messenger = function(m) { display(m, displayBox); };
			if(form == WEB_ID_FORM) {
				if(checkWebID()) {
					form.submit();
				} else {
					cancel(e);
				}	return;
			}
			if(form && fields) {
				if(checkFields()) {
					form.submit();
				} else {
					cancel(e);
				} return;
			}
			function cancel(e) {
				if(!e.preventDefault) {
					e.returnValue = false;
				} else {
					e.preventDefault();
				}
			}
			function checkWebID() {
				var fieldObjectValidity = true;
				var fieldDefaultValue = "Address or Web ID #";
				if(!fields) fields = document.qForm_1.searchStr;
				if(!messages) messages = "You must enter a listing ID number to search for.";
				var fieldObject = fields;
				var message = messages;
				if((fieldObject.value.toLowerCase() == fieldDefaultValue)
					|| (fieldObject.value == "")) {
					messenger(message);
					fieldObject.value = "";
					fieldObject.focus();
					fieldObjectValidity = false;
				} return fieldObjectValidity;
			}
			function checkFields() {
				var STRICT_VALIDATION = true;
				var DEFAULT_MSG = "Please make sure the form has been completely filled out.";
				var formValidity = true;
				for(var i = 0; i < fields.length; i++) {
					// loose validation
					if(!form.elements[fields[i]].value) {
						if(!messages || !messages[i] || messages[i] == "") {
							messenger(DEFAULT_MSG); 
							formValidity = false;
						}	else {
							messenger(messages[i]);
						} return;
							formValidity = false;
					} else if(STRICT_VALIDATION) {
						// strict validation - special case for name, phone, and email fields
						if((form.elements[fields[i]].name.toLowerCase() == "phone")
							|| (form.elements[fields[i]].name.toLowerCase() == "dphone")
							|| (form.elements[fields[i]].name.toLowerCase() == "dayphone")) {
							var phoneField = form.elements[fields[i]];
							var wrongNumberLength = "Phone number must be 10 digits long.";
							var alphaNumericNumber = "Phone number must contain only digits.";
							if((phoneField.value.length < 10 || phoneField.value.length > 12)
								|| phoneField.value.length == 11) {
								messenger(wrongNumberLength);
								formValidity = false;
							}	else if(phoneField.value.search(/[a-zA-Z]/i) >= 0) {
								messenger(alphaNumericNumber);
								formValidity = false;
							}
						} else if(form.elements[fields[i]].name.toLowerCase() == "email") {
							var emailField = form.elements[fields[i]];
							var invalidEmailSyntax = "Please enter a valid E-Mail address.";
							if((emailField.value.search(/@/i) == -1)
								|| (emailField.value.search(/\./i) == -1)
								|| (emailField.value.length < 5)) {
								messenger(invalidEmailSyntax);
								formValidity = false;
							}
						}	else if(form.elements[fields[i]].name.toLowerCase() == "name") {
							var nameField = form.elements[fields[i]];
							var invalidFullName = "Please enter your full name.";
							if((nameField.value.search(/\s/i) == -1)
								|| (nameField.value.search(/\w/i) == -1)) {
								messenger(invalidFullName);
								formValidity = false;
							}
						} else if((form.elements[fields[i]].name.toLowerCase() == "zip")
								|| (form.elements[fields[i]].name.toLowerCase() == "billing_zip")) {
							var zipField = form.elements[fields[i]];
							var invalidZipCode = "Please correctly enter your five digit zip code.";
							if((zipField.value.length != 5)
								|| (zipField.value.search(/[a-zA-Z]/i) >= 0)) {
								messenger(invalidZipCode);
								formValidity = false;
							}
						}
					}
				} return formValidity;
			}
		}		
	}
}


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 showForm(formId){
	var pageInfo = getPageSize();
	document.getElementById('bLayer').style.top     = '0px';
	document.getElementById('bLayer').style.left    = '0px'; 
	document.getElementById('bLayer').style.width   = pageInfo[0]+'px';
	document.getElementById('bLayer').style.height  = pageInfo[1]+'px';  
	document.getElementById('bLayer').style.display = '';
	dispForm(pageInfo,formId);
}
function dispForm(pageInfo,formId){
	if(formId == "frmContactViking") document.getElementById(formId).style.top = '125px';	
	else document.getElementById(formId).style.top = pageInfo[1] / 3 + 'px';
	document.getElementById(formId).style.left    = (pageInfo[0] - parseInt(document.getElementById(formId).style.width)) / 2 + 'px';
	document.getElementById(formId).style.display = '';
}
function closeForm(formId){
  document.getElementById('bLayer').style.display = 'none';
  document.getElementById(formId).style.display = 'none';
}