// Global Variables 
var xmlHttp

// =============================================================

function showWineDetails(productID)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="mod_wine.asp";
	url=url+"?productID=" + productID;
	url=url+"&sid=" + Math.random();
	xmlHttp.onreadystatechange = stateChangedDetails;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

// =============================================================

function showOutletsList(region)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="mod_outlets.asp";
	url=url+"?region=" + region;
	url=url+"&sid=" + Math.random();
	xmlHttp.onreadystatechange = stateChangedOutletsList;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

// =============================================================

function showDistributorsList(region)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="mod_distributors.asp";
	url=url+"?region=" + region;
	url=url+"&sid=" + Math.random();
	xmlHttp.onreadystatechange = stateChangedDistributorsList;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

// =============================================================

function showDownloads(estate, pageID)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="mod_downloads.asp";
	url=url+"?estate=" + estate;
	url=url+"&pageID=" + pageID;
	url=url+"&sid=" + Math.random();
	xmlHttp.onreadystatechange = stateChangedDownloads;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

// =============================================================

function stateChangedDetails() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("container_wine").innerHTML=xmlHttp.responseText; 
		if (window.XMLHttpRequest) {
			setOpacity("content", 0); // IE 7, mozilla, safari, opera 9
			fadeOut("content", 0);			
		}
	} 
} 

// =============================================================

function stateChangedOutletsList() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("outlets_list").innerHTML=xmlHttp.responseText; 
	} 
} 

// =============================================================

function stateChangedDistributorsList() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("distributors_list").innerHTML=xmlHttp.responseText; 
	} 
} 

// =============================================================

function stateChangedDownloads() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("container_downloads").innerHTML=xmlHttp.responseText; 
	} 
} 

// =============================================================

function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}

function onFocusDefault(field,strDefault)
{
	if (field.value == strDefault)
	{
		field.value = "";
	}
}

function onBlurDefault(field,strDefault)
{
	if (field.value == "")
	{
		field.value = strDefault;
	}
}	

function makeScrollbar(content,scrollbar,handle,horizontal,ignoreMouse){
	var steps = (horizontal?(content.getScrollSize().x - content.getSize().x):(content.getScrollSize().y - content.getSize().y))
	
	if (steps > 0)
	{
		var slider = new Slider(scrollbar, handle, {	
			steps: steps,
			mode: (horizontal?'horizontal':'vertical'),
			onChange: function(step){
				// Scrolls the content element in x or y direction.
				var x = (horizontal?step:0);
				var y = (horizontal?0:step);
				content.scrollTo(x,y);
			}
		}).set(0);
		
		if( !(ignoreMouse) ){
			// Scroll the content element when the mousewheel is used within the 
			// content or the scrollbar element.
			$$(content, scrollbar).addEvent('mousewheel', function(e){	
				e = new Event(e).stop();
				var step = slider.step - e.wheel * 30;	
				slider.set(step);					
			});
		}
				
		// Stops the handle dragging process when the mouse leaves the document body.
		$(document.body).addEvent('mouseleave',function(){slider.drag.stop()});
	}
	else
	{
		//remove area scroller if no overflow
		var area_scroller = $(scrollbar).getParent('div');
		$(area_scroller).setStyle('display', 'none');
	}
}