function askAjaxForCategoryTree(CategoryNr, objName, ArticleType)
{
	// fill SelectBox with category tree in order to do a search
	
	var SelectBoxToChange = getObj(document, objName);
	var indexToSelect = 0;

	var xhr_object	= null;
	var method		= "GET";
	var filename	= "/search/CategoryTreeRetriever.asp";
	var retrvMode	= "";
	
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { 	// XMLHttpRequest non supporté par le navigateur
		alert("Your browser doesn't handle XMLHTTPRequest, please upgrade your browser...");
		return;
	}

	if (SelectBoxToChange)
	{
		SelectBoxToChange.disabled = true;
		
		if (CategoryNr != '')
		{
			if(method == "GET")
				filename += "?categorynr=" + CategoryNr;
				filename += "&ArticleType=" + ArticleType;
				
			xhr_object.open(method, filename, true);

			xhr_object.onreadystatechange = function retrvr() {
				if(xhr_object.readyState == 4)
				{
					var arrCategories;
					var strContent = xhr_object.responseText;

					if (xhr_object.responseText == null)
						arrCategories = new Array("");
					else
					{
						strContent = strContent.replace(new RegExp('<[?]xml version="1\.0" encoding="(iso-8859-1|utf-8)"[?]>','gi'), '');
						strContent = strContent.replace(new RegExp('\n?<content>','gi'), '');
						strContent = strContent.replace(new RegExp('</content>','gi'), '');
						arrCategories = strContent.split("#L#");
					}
						
					while (SelectBoxToChange.options.length > 0)
							SelectBoxToChange.options[0] = null;

					if (arrCategories.length > 1)
					{
						for (var j = 0; j < arrCategories.length -1; j++)
						{
							var currOpt = SelectBoxToChange.options[j];
							
							// New option
							var optNew = window.document.createElement("option");

							// splitting ID & Name of category
							var arrCategory = arrCategories[j].split("#C#");
							// New values
							optNew.value = arrCategory[0];
							
							if (arrCategory[0] == CategoryNr)
								indexToSelect = j;
							
							var optionName = arrCategory[1].replace(new RegExp("&gt;","gi"), ">");
							optionName = optionName.replace(new RegExp("&amp;","gi"), "&");
							optNew.text = optionName;
							
							// Attrib of this option
							SelectBoxToChange.options[j] = optNew;
						}

						SelectBoxToChange.disabled = false;
						SelectBoxToChange.options.selectedIndex = indexToSelect;
					}
				}
			}

			xhr_object.send(null);
		}
	}
}


function askAjaxForCategoryDaughtersSearchAgentPage(CategoryNr, objName,selectVal,selectVal2,ArticleType)
{
	// fill SelectBox with category tree in order to do a search
	var SelectBoxToChange = getObj(document, objName);
	var indexToSelect = 0;

	var xhr_object	= null;	
	var method		= "GET";	
	var filename	= "/accdb/CategoryRetriever.asp";
	var retrvMode	= "";
	var ArticleGroup
	
	switch (ArticleType)
		{
		  case '0':
		    ArticleGroup = 3; //auctions and fixed price
		   break;
		  case '1':
		    ArticleGroup = 1; //auctions
		   break;
		  case '2':
		    ArticleGroup = 2; //fixed price
		   break;
		  case '3':
		    ArticleGroup = 4; //classifieds
		    break;
		  default:
		    ArticleGroup = 3; //auctions and fixed price
		   break;
		}
	 	
	//alert(CategoryNr +' ** '+ objName+' ** '+selectVal+' ** '+selectVal2+' ** '+ArticleType);

	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { 	// XMLHttpRequest non supporté par le navigateur
		alert("Your browser doesn't handle XMLHTTPRequest, please upgrade your browser...");
		return;
	}
	
	if (SelectBoxToChange)
	{
		SelectBoxToChange.disabled = true;
			
		if (CategoryNr != '' &&  CategoryNr != -1)
		{
			if(method == "GET")
				filename += "?categorynr=" + CategoryNr + "&ArticleGroup=" + ArticleGroup;
		
			xhr_object.open(method, filename, true);

			xhr_object.onreadystatechange = function retrvr() {
				if(xhr_object.readyState == 4)
				{						
					var arrCategories;
					var strContent = xhr_object.responseText;
					
					if (xhr_object.responseText == null)
						arrCategories = new Array("");
					else
					{
						strContent = strContent.replace(new RegExp('<[?]xml version="1\.0" encoding="(iso-8859-1|utf-8)"[?]>','gi'), '');
						strContent = strContent.replace(new RegExp('\n?<content>','gi'), '');
						strContent = strContent.replace(new RegExp('</content>','gi'), '');
						arrCategories = strContent.split("#-L-#");
					}
						
					while (SelectBoxToChange.options.length > 1)
							SelectBoxToChange.options[1] = null;				
							
					if (arrCategories.length > 0)
					{			
						var optNewDef = window.document.createElement("option");
						optNewDef.value = "-1";
						optNewDef.text = allCatTxt;
						SelectBoxToChange.options[0] = optNewDef;
						
						for (var j = 0; j < arrCategories.length -1; j++)
						{
							//var currOpt = SelectBoxToChange.options[j];
							
							// New option
							var optNew = window.document.createElement("option");

							// splitting ID & Name of category
							var arrCategory = arrCategories[j].split("#-C-#");
							// New values
							optNew.value = arrCategory[0];
							
							if (arrCategory[0] == selectVal)
								indexToSelect = j+1;
							
							var optionName = arrCategory[1].replace(new RegExp("&gt;","gi"), ">"); 
							optionName = optionName.replace(new RegExp("&amp;","gi"), "&");
							optNew.text = optionName;
							
							// Attrib of this option
							SelectBoxToChange.options[j+1] = optNew;
						}

						SelectBoxToChange.disabled = false;
						SelectBoxToChange.options.selectedIndex = indexToSelect;
					}
				}
			}

			xhr_object.send(null);
		}
		else
		{
			while (SelectBoxToChange.options.length > 1)
			SelectBoxToChange.options[1] = null;	
		}
	}
		
	
		
	if(objName == "listCatg1" && selectVal == -1)
	{ 		
		askAjaxForCategoryDaughtersSearchAgentPage(-1, "listCatg2",-1,-1,ArticleType);
	}
	
	if(selectVal2 != -1)
	{ 
		askAjaxForCategoryDaughtersSearchAgentPage(selectVal, "listCatg2",selectVal2,-1,ArticleType);
	}
	
		
	
}