var dialogueWindows = new Object();

onunload = closeAllDialogues;

function openDialogue( windowName, windowUrl, windowWidth, windowHeight, scrollbars ) 
{	
	var dialogue = dialogueWindows[ windowName ];
	var windowTop = ( screen.height / 2 ) - ( windowHeight / 2 );
	var windowLeft = ( screen.width / 2 ) - ( windowWidth / 2 );
	
	var features = 'height=' + windowHeight + ',width=' + windowWidth + ',top=' + windowTop + ',left=' + windowLeft + ',resizable=yes,status=yes';
	
	if( scrollbars )
		features += ",scrollbars=yes";
	
	if( dialogue && ! dialogue.closed )
		dialogue.close();
	
	dialogueWindows[ windowName ] = window.open( windowUrl, windowName, features );
}

function closeDialogue()
{
	if( window.opener && ! window.opener.closed ) 
	{
		window.opener.focus();
	}
	window.close();
}

function closeAllDialogues()
{
	for( windowName in dialogueWindows )
	{	
		var dialogue = dialogueWindows[ windowName ];
		
		if( dialogue && ! dialogue.closed )
		{
			dialogue.close();
		}
	}
}

function completeDialogue() 
{	
	if( window.opener && ! window.opener.closed ) 
	{
		window.opener.location.reload();
	}
	closeDialogue();
}

function parseGetVars() 
{
    var args = new Array();
    var query = window.location.search.substring( 1 );
    if( query ) 
    {
        var strList = query.split( '&' );
        for( str in strList ) 
        {
            var parts = strList[ str ].split( '=' );
            args[ unescape( parts[ 0 ] ) ] = unescape( parts[ 1 ] );
        }
    }
    return args;
}


function fitImage() {
    // Only modify window size if this is a popup window - TB 08/10/2007
    if (window.opener && !window.opener.closed) {

        var browserName = navigator.appName;

        //IE seems to cut the bottom off
        if (browserName == "Microsoft Internet Explorer") {
            var offsetWidth = 12;
            var offsetHeight = 62;
        }
        else {
            var offsetWidth = 12;
            var offsetHeight = 30;
        }

        if (window.outerWidth)
            offsetWidth = window.innerWidth - window.outerWidth;
        if (window.outerHeight)
            offsetHeight = window.outerHeight - window.innerHeight;

        var windowWidth = document.images[0].width + offsetWidth;
        var windowHeight = document.images[0].height + offsetHeight;

        var windowTop = (screen.height / 2) - (windowHeight / 2);
        var windowLeft = (screen.width / 2) - (windowWidth / 2);

        window.moveTo(windowLeft, windowTop);
        window.resizeTo(windowWidth, windowHeight);
    }

    self.focus();
}

onload = SetLinks;

// Uses the url to find the link to the current page and select it
function SetLinks()
{
	var links = document.getElementsByTagName( "a" );
	
	for( var i = 0; i < links.length; i++ )
	{
		var link = links[ i ];
		
		if( link.href == window.location || link.href.replace( "default.aspx", "" ) == window.location )
		{
			link.className += " active";
		}
	}
}

function addEventHandler( targetObject, eventType, handlerFunc ) 
{
	if( targetObject.addEventListener ) 
	{
		targetObject.addEventListener( eventType, handlerFunc, true );
	} 
	else if( targetObject.attachEvent ) 
	{
		targetObject.attachEvent( 'on' + eventType, handlerFunc );
	}
}

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=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}