<!-- General Ajax handlers for each entity type. // -->

var lasttarget;

function showlayout(targetID) 
{	
	if (lasttarget != undefined)
	{	
		showhide(lasttarget);
	}
	
	showhide(targetID);
	
	lasttarget = targetID;
} 
 
function showhide(layer_ref) {

	if (document.all) 
	{ //IS IE 4 or 5 (or 6 beta)
		// alert(document.all[layer_ref].style.display);
		// eval( "document.all." + layer_ref + ".style.display = 'block'");
		document.all[layer_ref].style.display = DisplayState(document.all[layer_ref].style.display);
	}

	if (document.layers) 
	{ //IS NETSCAPE 4 or below		
		document.layers[layer_ref].display = DisplayState(document.layers[layer_ref].display);
	}

	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = DisplayState(hza.style.display);
	}
} 

function show(layer_ref) {

	alert(layer_ref);
	
	if (document.all) 
	{ //IS IE 4 or 5 (or 6 beta)
		// alert(document.all[layer_ref].style.display);
		// eval( "document.all." + layer_ref + ".style.display = 'block'");
		document.all[layer_ref].style.display = 'block';
	}

	if (document.layers) 
	{ //IS NETSCAPE 4 or below		
		document.layers[layer_ref].display = 'block';
	}

	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = 'block';
	}
}

function hide(layer_ref) {

	if (document.all) 
	{ //IS IE 4 or 5 (or 6 beta)
		// alert(document.all[layer_ref].style.display);
		// eval( "document.all." + layer_ref + ".style.display = 'block'");
		document.all[layer_ref].style.display = 'none';
	}

	if (document.layers) 
	{ //IS NETSCAPE 4 or below		
		document.layers[layer_ref].display = 'none';
	}

	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = 'none';
	}
}

function DisplayState(state)
{
    if (state == 'block') 
    {
        state = 'none';
    }
    else 
    {
        state = 'block';
    }
    return state;
}

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;
}

function eraseCookie(name) 
{
	createCookie(name,"",-1);
}

function SetBeeGees(theVar)
{
	// alert('Set '+theVar);
	
	switch(theVar)
	{
		case 1:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap_over.jpg)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_hide.jpg)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap_hide.jpg)";
			break;
		case 2:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap_hide.jpg)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_cab_over.jpg)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap_hide.jpg)";
			break;
		case 3:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap_hide.jpg)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_hide.jpg)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap_over.jpg)";
			break;
	}
}

function UnSetBeeGees(theVar)
{
	// alert('Un-Set '+theVar);
	switch(theVar)
	{
		case 1:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap.gif)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_cab.gif)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap.gif)";
			break;
		case 2:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap.gif)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_cab.gif)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap.gif)";
			break;
		case 3:
			document.getElementById('menua').style.backgroundImage = "url(themes/mayo/images/people_cap.gif)";
			document.getElementById('menub').style.backgroundImage = "url(themes/mayo/images/organisation_cab.gif)";
			document.getElementById('menuc').style.backgroundImage = "url(themes/mayo/images/hr_cap.gif)";
			break;
	}
}