var XSucheParams = new Object();
var waitTimer = null;
var waitElem  = null;
var lastTimestamp = null;

function initXSuche()
{
	var form = document.psucheForm;
	if( form )
	{
		var i;
		for( i = 0; i < form.elements.length; i++ )
		{
			var elem = form.elements[i];
			/* wenn elem ist eine checkbox oder radiobox, dann nur beachten, wenn sie gecheckt ist. sonst immer */
			var doit = !elem.type || (elem.type != "checkbox" && elem.type != "radio") || elem.checked;
			
			if( doit )
			{
				if( XSucheParams[elem.name] )
				{
					/* schon da, dann array */
					if( typeof(XSucheParams[elem.name]) == "object" )
					{
						XSucheParams[elem.name].push(elem.value);
					}
					else
					{
						var oldValue = XSucheParams[elem.name];
						XSucheParams[elem.name] = new Array(oldValue, elem.value);
					}
				}
				else
				{
					XSucheParams[elem.name] = elem.value;
				}
			}
			
			if( elem.type == "checkbox" || elem.type == "radio" )
			{
				elem.onclick = sendXSuche;
			}
			else if( elem.type == "text" )
			{
				elem.onkeyup = waitAndSendXSuche;
			}
			else
			{
				elem.onchange = sendXSuche;
			}
		}
	}
}

function waitAndSendXSuche(event)
{
	if( event == null )
		event = window.event;
	
	if( waitTimer )
	{
		window.clearTimeout(waitTimer);
		waitTimer = null;
	}
	
	waitElem  = event.target || event.srcElement; // Übergabe eines Events geht im IE nicht.
	waitTimer = window.setTimeout("sendXSuche(null,waitElem)", 1000);
}

function sendXSuche(event,elem)
{
	if( event == null )
		event = window.event;
	
	var form = document.psucheForm;
	if( form )
	{
		if( elem == null )
			elem = event.target || event.srcElement;
		
		if( elem.type == "checkbox" || elem.type == "radio" )
		{
			/* hier kann es mehrere geben */
			XSucheParams[elem.name] = "";
			
			var elems = document.getElementsByName(elem.name);
			
			var i;
			for( i = 0; i < elems.length; i++ )
			{
				elem = elems[i];
				if( elem.checked )
				{
					/* same thing as above */
					if( XSucheParams[elem.name] )
					{
						/* schon da, dann array */
						if( typeof(XSucheParams[elem.name]) == "object" )
						{
							XSucheParams[elem.name].push(elem.value);
						}
						else
						{
							var oldValue = XSucheParams[elem.name];
							XSucheParams[elem.name] = new Array(oldValue, elem.value);
						}
					}
					else
					{
						XSucheParams[elem.name] = elem.value;
					}
				}
			}
		}
		else
		{
			XSucheParams[elem.name] = elem.value;
		}

		var url = "/cgi-bin/produktsuche2/xSuche.pl";
		
		var t = new Date().getTime();
		XSucheParams['timestamp'] = t;
		
		jQuery.getJSON(url, XSucheParams, evalXSucheResult);
	}
}

function evalXSucheResult(param)
{
	if( param )
	{
		if( lastTimestamp = null || lastTimestamp < param.timestamp )
		{
			lastTimestamp = param.timestamp;
			
			var button = document.getElementById('psucheFormButton');
			button.value = button.title =
				param.count == 0 ? 'Keine Treffer'
								 : '' + param.count + ' Treffer anzeigen';
			/*
			var div = document.getElementById('psucheFormAjaxTreffer');
			if( div )
				div.innerHTML = "" + param.count + " Treffer";
			*/
		}
	}
}