var iCurrHBImg, iCurrImg, evt2, imgHBCount, imgCount, evt3;

window.onload = function()
{	        				
	if (document.getElementById("maincontent"))
	{
	    iconsPreloader();
	}
	
	if (document.getElementById("yourtime"))
    {
        getTime();                
    }
            	
	var imageContainer = document.getElementById("ctl00_contentPL_slideshow_galleryimages");
	
	if(imageContainer)
	{
		imagePreloader();
		
		var images = imageContainer.getElementsByTagName("li");
				
		// Get the total number of images
		imgCount = images.length;
				
		// iCurrentImag is the image currently being displayed, as a default, set it to the first image
		iCurrImg = imgCount;
		
		if(imgCount > 1)
		{			
			RotateBanners();
		}
		else
		{
			clearTimeout(evt);
		}
	}
	
	if(document.getElementById("ctl00_headbanners"))
	{
		var images = document.getElementById("ctl00_headbanners").getElementsByTagName("img");
		
		// Get the total number of images
		imgHBCount = images.length;
		
		// iCurrentImag is the image currently being displayed, as a default, set it to the first image
		iCurrHBImg = imgHBCount;
		
		if(imgHBCount > 1)
		{			
			RotateHBanners();
		}
		else
		{
			clearTimeout(evt2);
		}
	}
	
	if(document.getElementById("thoughts"))
	{
	    var banners = document.getElementById("ctl00_contentPL_banners").getElementsByTagName("ul");
	    
	    for(i=1; i<banners.length; i++)
        {
            banners[i].style.display = "none";
        }
    }
}

function ShowSharingIconsLG()
{
    document.getElementById("socialiconslg").style.display = "block";
    evt4 = setTimeout("HideSharingIconsLG()", 2000);
}

function HideSharingIconsLG()
{
    document.getElementById("socialiconslg").style.display = "none";
}

function ShowSharingIcons()
{
    document.getElementById("socialicons").style.display = "block";
    evt4 = setTimeout("HideSharingIcons()", 2000);
}

function HideSharingIcons()
{
    document.getElementById("socialicons").style.display = "none";
}
   
function RotateHBanners()
{	
	var sImg1, sImg2;
	
	// if the current image is lower than the last image then we've gone too far, we need to loop back to the first image
	if(iCurrHBImg < 1)
	{
		iCurrHBImg = imgHBCount;
	}	
	
	// set the current image  (the one we're about to fade out)
	sImg1 = document.getElementById("hbimg" + iCurrHBImg);
		
	// set the new image (the one we're about to fade in)
	if (document.getElementById("hbimg" + (iCurrHBImg-1)))
	{
		sImg2 = document.getElementById("hbimg" + (iCurrHBImg-1));
	}
	else
	{
		// if we get to the first image, go back to the first one
		sImg2 = document.getElementById("hbimg" + imgHBCount);
	}
	
	// swap the images
	sImg1.style.display = "none";
	sImg2.style.display = "block";
		
	iCurrHBImg -= 1;		
			
	evt2 = setTimeout("RotateHBanners()", 5000);
}

function RotateBanners()
{	
	var sImg1, sImg2;
	
	// if the current image is lower than the last image then we've gone too far, we need to loop back to the first image
	if(iCurrImg < 1)
	{
		iCurrImg = imgCount;
	}	
	
	// set the current image  (the one we're about to fade out)
	sImg1 = document.getElementById("gimg" + iCurrImg);
		
	// set the new image (the one we're about to fade in)
	if (document.getElementById("gimg" + (iCurrImg-1)))
	{
		sImg2 = document.getElementById("gimg" + (iCurrImg-1));
	}
	else
	{
		// if we get to the first image, go back to the first one
		sImg2 = document.getElementById("gimg" + imgCount);
	}
	
	// swap the images
	sImg1.style.display = "none";
	sImg2.style.display = "block";
		
	iCurrImg -= 1;		
			
	evt3 = setTimeout("RotateBanners()", 4000);
}

function iconsPreloader()
{
     imageObj = new Image();
    
     var themeNumber = document.getElementById("maincontent").style.backgroundImage.substring(9,11).replace('-','');     
    
	 var navArray = new Array("home", "membership", "boardrooms", "events", "dinning", "contact-us");
     
     for(i=0; i<navArray.length; i++)
     {
          imageObj.src = "/gfx/" + themeNumber + "-" + navArray[i] + "-nav_on.gif";
     }
     
     var subNavArray = new Array("types", "preview", "services", "house-rules", "press", "menus", "outside-catering");
     
     for(i=0; i<subNavArray.length; i++)
     {
          imageObj.src = "/gfx/" + themeNumber + "-" + subNavArray[i] + "-subnav_on.gif";
     }
} 

function getTime()
{
    var currentDate = new Date();
    var currentHour = currentDate.getHours();
    var currentMinute = currentDate.getMinutes();
    
    if (currentHour < 10) { currentHour = "0" + currentHour;}
    if (currentMinute < 10) { currentMinute = "0" + currentMinute;}
    
    document.getElementById("yourtime").innerHTML = currentHour + ":" + currentMinute;
}   

function bookmarkUs(url, title)
{

    if (window.sidebar) // firefox
    {
        window.sidebar.addPanel(title, url, "");
    }
    else if(window.opera && window.print) // opera
    {
        var elem = document.createElement('a');
        elem.setAttribute('href',url);
        elem.setAttribute('title',title);
        elem.setAttribute('rel','sidebar');
        elem.click();
    }     
    else if(document.all)// ie
    {
        window.external.AddFavorite(url, title);
    }
    else
    {
        alert("Please press CTRL + D or Apple-D to bookmark this page.");
    }
}

function getMenu( dd, mm)
{    
    var whichMonth;
    
    if (mm % 2 == 0) { whichMonth = "e";} else { whichMonth = "o";}
    document.location.href = "/dining/dining-menus/" + whichMonth + dd;            
}

function checkpassword( sFormName, sAction)
{
    var theForm = document.forms[sFormName];
    
    if (theForm.password.value == "" && theForm.password2.value == "")
    {
        theForm.password.focus();
        alert("Please specify a valid password.");
    }
    else if (theForm.password.value == theForm.password2.value)
    {
        checkrequired( sFormName, sAction);
    }
    else
    {
       alert("Passwords do not match, please check and try agian."); 
    }
}
    
function checkrequired( sFormName, sAction)
{
	var pass=0, box=0, theForm = document.forms[sFormName], shortFieldName;	
	
	for (i=0; i < theForm.length; i++)
	{
		var tempobj=theForm.elements[i];
		
		if (tempobj.name=="ctl00$contentPL$department" && tempobj.selectedIndex==0)
		{		    
		    shortFieldName = "DEPARTMENT";
		    pass=1;
			break;
		}
		else if (tempobj.name.substring(0,1) == "*")
		{
			if (((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="hidden")&&
			    tempobj.value=='' || tempobj.value=='Type your message here' 
			    || tempobj.name == "*" + tempobj.value.toLowerCase()||(tempobj.type.toString().charAt(0)=="s"&&
			    tempobj.selectedIndex==0))
			    )
	        {
				shortFieldName=tempobj.name.substring(1,30).toUpperCase();
				pass=1;
				break;
            }
        } 
	}	
	if (pass==1) {
	    tempobj.focus();	    
		alert("Please specify "+shortFieldName+".");
	} else {	    
	    theForm.action = sAction;
	    theForm.submit();
	}	
}

function clearField( field)
{
    if (field.name == "*" + field.value.toLowerCase() || field.value.indexOf("Type your") >= 0 || field.name == field.value.toLowerCase())
    {
        field.value = '';
    }
}

function emailCheck(thisControl)
{
	var emailStr = thisControl.value;
	
	if (emailStr != "") {
		var emailPat=/^(.+)@(.+)$/
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		var validChars="\[^\\s" + specialChars + "\]"
		var quotedUser="(\"[^\"]*\")"
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		var atom=validChars + '+'
		var word="(" + atom + "|" + quotedUser + ")"
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
		var matchArray=emailStr.match(emailPat);
		if (matchArray==null)
		{
			alert("Email address seems incorrect (check @ and .'s)");
			thisControl.select();
	  	    thisControl.focus();
			return false;
		}
		var user=matchArray[1];
		var domain=matchArray[2];
	
		if (user.match(userPat)==null)
		{
			alert("The username doesn't seem to be valid.");
			thisControl.select();
	  	    	thisControl.focus();
			return false;
		}
	
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null)
		{
			for (var i=1;i<=4;i++)
			{
				if (IPArray[i]>255)
				{
					alert("Destination IP address is invalid.");
					thisControl.select();
	  	            thisControl.focus();
			        return false;
				}
			}
			return true
		}
	
		var domainArray=domain.match(domainPat);
		if (domainArray==null)
		{
			alert("The domain name doesn't seem to be valid.");
			thisControl.select();
	  	    thisControl.focus();
			return false;
		}
	
		var atomPat=new RegExp(atom,"g");
		var domArr=domain.match(atomPat);
		var len=domArr.length;
		if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3)
		{
			alert("The address must end in a three-letter domain, or two letter country.");
			thisControl.select();
	  	    thisControl.focus();
			return false;
		}
	
		if (len<2)
		{			
			alert("This address is missing a hostname.");
			thisControl.select();
	  	    thisControl.focus();
			return false;
		}
		return true;
	} else {
		return false;
	}
}