if (typeof(Hotels)=="undefined") {
	Hotels = new Object();
}

if (typeof(Hotels.Common) == "undefined") {
// Global variables
var isCSS, isW3C, isIE4, isNN4;
// initialize upon load to let all browsers establish content objects
function initCommon() {
    if (document.images) {
        isCSS = (document.body && document.body.style) ? true : false;
        isW3C = (isCSS && document.getElementById) ? true : false;
        isIE4 = (isCSS && document.all) ? true : false;
        isNN4 = (document.layers) ? true : false;
        isIE6CSS = (document.compatMode && document.compatMode.indexOf("CSS1") >= 0) ? true : false;
    }
}
// set event handler to initialize API
if (window.onload) {
	var oldonload = window.onload
	window.onload = function() {
		oldonload.call()
		initCommon();
	}
} else {
	window.onload = initCommon;
}

// Seek nested NN4 layer from string name
function seekLayer(doc, name) {
    var theObj;
    for (var i = 0; i < doc.layers.length; i++) {
        if (doc.layers[i].name == name) {
            theObj = doc.layers[i];
            break;
        }
        // dive into nested layers if necessary
        if (doc.layers[i].document.layers.length > 0) {
            theObj = seekLayer(document.layers[i].document, name);
        }
    }
    return theObj;
}

// Convert object name string or object reference
// into a valid element object reference
function getRawObject(obj) {
    var theObj;
    if (typeof obj == "string") {
        if (isW3C) {
            theObj = document.getElementById(obj);
        } else if (isIE4) {
            theObj = document.all(obj);
        } else if (isNN4) {
            theObj = seekLayer(document, obj);
        }
    } else {
        // pass through object reference
        theObj = obj;
    }
    return theObj;
}

// Convert object name string or object reference
// into a valid style (or NN4 layer) reference
function getObject(obj) {
    var theObj = getRawObject(obj);
    if (theObj && isCSS) {
        theObj = theObj.style;
    }
    return theObj;
}

// Position an object at a specific pixel coordinate
function shiftTo(obj, x, y) {
    var theObj = getObject(obj);
    if (theObj) {
        if (isCSS) {
            // equalize incorrect numeric value type
            var units = (typeof theObj.left == "string") ? "px" : 0;
            theObj.left = x + units;
            theObj.top = y + units;
        } else if (isNN4) {
            theObj.moveTo(x,y)
        }
    }
}

// Move an object by x and/or y pixels
function shiftBy(obj, deltaX, deltaY) {
    var theObj = getObject(obj);
    if (theObj) {
        if (isCSS) {
            // equalize incorrect numeric value type
            var units = (typeof theObj.left == "string") ? "px" : 0;
            theObj.left = getObjectLeft(obj) + deltaX + units;
            theObj.top = getObjectTop(obj) + deltaY + units;
        } else if (isNN4) {
            theObj.moveBy(deltaX, deltaY);
        }
    }
}

// Set the z-order of an object
function setZIndex(obj, zOrder) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.zIndex = zOrder;
    }
}

// Set the background color of an object
function setBGColor(obj, color) {
    var theObj = getObject(obj);
    if (theObj) {
        if (isNN4) {
            theObj.bgColor = color;
        } else if (isCSS) {
            theObj.backgroundColor = color;
        }
    }
}

// Set the visibility of an object to visible
function show(obj) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.visibility = "visible";
    }
}

// Set the visibility of an object to hidden
function hide(obj) {
    var theObj = getObject(obj);
    if (theObj) {
        theObj.visibility = "hidden";
    }
}

// Retrieve the x coordinate of a positionable object
function getObjectLeft(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (document.defaultView) {
        var style = document.defaultView;
        var cssDecl = style.getComputedStyle(elem, "");
        result = cssDecl.getPropertyValue("left");
    } else if (elem.currentStyle) {
        result = elem.currentStyle.left;
    } else if (elem.style) {
        result = elem.style.left;
    } else if (isNN4) {
        result = elem.left;
    }
    return parseInt(result);
}

// Retrieve the y coordinate of a positionable object
function getObjectTop(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (document.defaultView) {
        var style = document.defaultView;
        var cssDecl = style.getComputedStyle(elem, "");
        result = cssDecl.getPropertyValue("top");
    } else if (elem.currentStyle) {
        result = elem.currentStyle.top;
    } else if (elem.style) {
        result = elem.style.top;
    } else if (isNN4) {
        result = elem.top;
    }
    return parseInt(result);
}

// Retrieve the rendered width of an element
function getObjectWidth(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (elem.offsetWidth) {
//        if (elem.scrollWidth && (elem.offsetWidth != elem.scrollWidth)) {
//            result = elem.scrollWidth;
//        } else {
            result = elem.offsetWidth;
//        }
    } else if (elem.clip && elem.clip.width) {
        result = elem.clip.width;
    } else if (elem.style && elem.style.pixelWidth) {
        result = elem.style.pixelWidth;
    }
    return parseInt(result);
}

// Retrieve the rendered height of an element
function getObjectHeight(obj)  {
    var elem = getRawObject(obj);
    var result = 0;
    if (elem.offsetHeight) {
        result = elem.offsetHeight;
    } else if (elem.clip && elem.clip.height) {
        result = elem.clip.height;
    } else if (elem.style && elem.style.pixelHeight) {
        result = elem.style.pixelHeight;
    }
    return parseInt(result);
}


// Return the available content width space in browser window
function getInsideWindowWidth() {
    if (window.innerWidth) {
        return window.innerWidth;
    } else if (isIE6CSS) {
        // measure the html element's clientWidth
        return document.body.parentElement.clientWidth;
    } else if (document.body && document.body.clientWidth) {
        return document.body.clientWidth;
    }
    return 0;
}
// Return the available content height space in browser window
function getInsideWindowHeight() {
    if (window.innerHeight) {
        return window.innerHeight;
    } else if (isIE6CSS) {
        // measure the html element's clientHeight
        return document.body.parentElement.clientHeight;
    } else if (document.body && document.body.clientHeight) {
        return document.body.clientHeight;
    }
    return 0;
}


// cookie-related functions

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

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

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

function createCookie(name,value,days) {
    if (days) {
    	var date = new Date();
    	date.setTime(date.getTime()+(days*24*60*60*1000));
    	var expires = "; expires="+date.toGMTString();
    }
    else var expires = "";
    document.cookie = name+"="+value+expires+"; path=/; domain=.hotels.com"
}

function getDomain() {
	var host = document.location.hostname;
	var dot = host.indexOf(".");
	if(dot == -1) {
		return null;
	}

	return host.substring(dot + 1);
}

function getScroll() {
	var x, y;
	if (document.all) {
		if (!document.documentElement.scrollLeft)
			x = document.body.scrollLeft;
		else
			x = document.documentElement.scrollLeft;
  
		if (!document.documentElement.scrollTop)
			y = document.body.scrollTop;
		else
			y = document.documentElement.scrollTop;
	} else {
		x = window.pageXOffset;
		y = window.pageYOffset;
	}
	return [x, y];
}

function makeNonSelectable(el) {
	if (typeof el.style.MozUserSelect!="undefined") {//Firefox route
		el.style.MozUserSelect="none"
	} else if (typeof el.onselectstart!="undefined") {//IE route
		el.onselectstart = noop;
	} else {
		el.onmousedown = noop;
	}
	el.style.cursor = "default";
}

function noop() {
	return false;
}


function getMyForm() {
	var form = document.forms[0];
	if (form.name != "myform") {
		form = document.forms[1];
	}
	return form;
}

function getRefToDiv(divID,oDoc) {
	if( document.getElementById ) { return document.getElementById(divID); }
	if( document.all ) { return document.all[divID]; }
	if( !oDoc ) { oDoc = document; }
	if( document.layers ) {
		if( oDoc.layers[divID] ) {
			return oDoc.layers[divID];
		} else {
			for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
				y = getRefToDiv(divID,oDoc.layers[x].document);
			}
			return y;
		}
	}
	return false;
}

function showDiv(divID_as_a_string) {
	var myReference = getRefToDiv(divID_as_a_string);
	document.getElementById(divID_as_a_string).style.display = '';
	if( !myReference ) { return; }
	if( myReference.style ) { myReference.style.visibility = 'visible'; } else {
		if( myReference.visibility ) { myReference.visibility = 'show'; } else {
			return; } }
}

function hideDiv(divID_as_a_string) {
	var myReference = getRefToDiv(divID_as_a_string);
	document.getElementById(divID_as_a_string).style.display = 'none';
	if( !myReference ) { return; }
	if( myReference.style ) { myReference.style.visibility = 'hidden'; } else {
		if( myReference.visibility ) { myReference.visibility = 'hide'; } else {
			return; } }
}

/* Form: http://blog.stevenlevithan.com/archives/get-html-summary */
function getLeadingHtml (input, maxChars, elipse) {
	// token matches a word, tag, or special character
	var	token = /\w+|[^\w<]|<(\/)?(\w+)[^>]*(\/)?>|</g,
		selfClosingTag = /^(?:[hb]r|img)$/i,
		output = "",
		charCount = 0,
		openTags = [],
		match;

	// Set the default for the max number of characters
	// (only counts characters outside of HTML tags)
	maxChars = maxChars || 250;

	while ((charCount < maxChars) && (match = token.exec(input))) {
		// If this is an HTML tag
		if (match[2]) {
			output += match[0];
			// If this is not a self-closing tag
			if (!(match[3] || selfClosingTag.test(match[2]))) {
				// If this is a closing tag
				if (match[1]) openTags.pop();
				else openTags.push(match[2]);
			}
		} else {
			charCount += match[0].length;
			if (charCount <= maxChars) output += match[0];
		}
	}
	
	if (elipse && input.length > output.length) output += "..."

	// Close any tags which were left open
	var i = openTags.length;
	while (i--) output += "</" + openTags[i] + ">";
	
	return output;
};


// Don't override prototype impls.
if (typeof($) == "undefined") {
	var $ = function(element) {
		if (typeof element == "string")
			return document.getElementById(element);
		else
			return element;
	}
}

if (typeof(Class) == "undefined") {
	var Class = {
	  create: function() {
	    return function() {
	      this.initialize.apply(this, arguments);
	    }
	  }
	}
}

Hotels.Common = new Object();
}