function DeCSAutoCompleteConfigure(){

	/* auto complete */
	var serviceUrl = "../php/decsAutoCompleteProxy.php";
	var serviceSchema = ["item","term","id"];
	var decsDataSource = new YAHOO.widget.DS_XHR(serviceUrl, serviceSchema); 
	decsDataSource.responseType = decsDataSource.TYPE_XML;
	
	var decsAutoComp = new YAHOO.widget.AutoComplete('terminput','container', decsDataSource); 	
	decsAutoComp.forceSelection = true;
	decsAutoComp.allowBrowserAutocomplete = false;
	decsAutoComp.minQueryLength = 2;
	decsAutoComp.maxResultsDisplayed = 40;	
	
	decsAutoComp.itemSelectEvent.subscribe(onItemSelect);
	
	decsAutoComp.dataRequestEvent.subscribe(showLoadingImage);	
	decsAutoComp.dataReturnEvent.subscribe(hideLoadingImage);	
	
}

function onItemSelect(sType, aArgs) {
	var oItem = aArgs[1];
	var tree_id = oItem._oResultData[1];
	var termName= oItem._oResultData[0];
	document.decswsForm.tree_id.value = tree_id;
	document.decswsForm.autocomplete_term.value = termName;
	document.decswsForm.submit();
}

function showLoadingImage() {
	var loading = document.getElementById("loading");
	loading.innerHTML = "<img src=\"../image/common/progress.gif\" border=\"0\"/>";					
}

function hideLoadingImage() {
	var loading = document.getElementById("loading");
	loading.innerHTML = "";					
}

/* END auto complete */

/* selection terms area */

function showTermInfo(id){
	var serviceUrl = "../php/decsws.php?lang=" + lang + "&tree_id=" + id + "&page=info";
	
	termWindow = window.open(serviceUrl,'DeCS', 'width=375,height=350,resizable=no,top=200,left=300,menubar=0,scrollbars=0');
	termWindow.focus();

	return false;
}

function selectTermQualifier(id){
	var serviceUrl = "../php/decsws.php?lang=" + lang + "&tree_id=" + id + "&page=qualifier";
	
	termWindow = window.open(serviceUrl,'DeCS', 'width=270,height=325,resizable=yes,top=300,left=500,menubar=0,scrollbars=0');
	termWindow.focus();

	return false;
}

function selectTermExplode(id){
	var serviceUrl = "../php/decsws.php?lang=" + lang + "&tree_id=" + id + "&page=explode";
	
	termWindow = window.open(serviceUrl,'DeCS', 'width=265,height=150,resizable=yes,top=300,left=500,menubar=0,scrollbars=0');
	termWindow.focus();

	return false;
}


/* END selection terms area */

function showDeCSTerm(id){
	
	if (lang == "pt"){ decsLang = "p"; }
	if (lang == "es"){ decsLang = "e"; }
	if (lang == "en"){ decsLang = "i"; }
	
	decsUrl = "http://decs.bvs.br/cgi-bin/wxis1660.exe/decsserver/?IsisScript=../cgi-bin/decsserver/decsserver.xis&interface_language=" + decsLang + "&search_language=" + decsLang + "&previous_page=homepage&task=exact_term&search_exp=mfn=" + id + "#RegisterTop";
	decsWindow = window.open(decsUrl, "decsTerm", "height=450,width=630,menubar=no,toolbar=no,location=no,resizable=yes,scrollbars=yes,status=no");
	decsWindow.focus();
	
	return;
}

function showDeCSQualifier(qlf){
	
	if (lang == "pt"){ decsLang = "p"; }
	if (lang == "es"){ decsLang = "e"; }
	if (lang == "en"){ decsLang = "i"; }
	
	qlfUrl = "http://decs.bvs.br/cgi-bin/wxis1660.exe/decsserver/?IsisScript=../cgi-bin/decsserver/decsserver.xis&interface_language=" + decsLang + "&search_language=" + decsLang + "&previous_page=homepage&task=show_qualifier&qualifier=" + qlf;
	qlfWindow = window.open(qlfUrl, "decsTerm", "height=380,width=610,menubar=no,toolbar=no,location=no,resizable=yes,scrollbars=yes,status=no");
	qlfWindow.focus();
	
	return;
}


function executeSearchDecs(){		
	var searchForm = document.decsSearchForm;
	var expression = searchForm.expression.value;        
	
    if (expression == ""){ 
		return false;
	}		
	// inicializing XMLHttpRequest
	httpInit();
    var url = "../php/decsSearchProxy.php?expression=" + escape(expression);

  	xmlHttp.open("POST", url, true);
    xmlHttp.onreadystatechange = updateResultDecsPage;
       
  	xmlHttp.send('');		
	return false;
}
	

function updateResultDecsPage(){
    var resultPortlet = document.getElementById("searchResult");
    var result = document.getElementById("result");
    var buffer = "";
	var message = "";
    var error = false;
    resultPortlet.style.display="block"; 

    result.innerHTML = "<div align='center'><img src='../image/common/loading.gif' border='0'></div>";

    if (xmlHttp.readyState == 4) {			
            if (xmlHttp.status == 200) {		
                var decsResponse = xmlHttp.responseXML;  
				
                var decsResult = decsResponse.getElementsByTagName("Result").item(0);				
				var total = decsResult.getAttribute("total");
				var decsServiceUrl = "../php/decsws.php?lang=" + lang;
				
				if (total == '0'){					
					if (lang == 'pt')
						message = "Não foram encontrados descritores";
					if (lang == 'es')
					 	message = "No fueron encontrados descritores";
					if (lang == 'en')
						message = "No descriptors found";		
				
					result.innerHTML = message;
					return;
				} 
				var itemList= decsResponse.getElementsByTagName("item");				

				var buffer = "<ul>";
                for (var i = 0; i < itemList.length; i++) {                    
					var item = itemList[i];					
					var id = item.getAttribute("id");
					var term = item.getAttribute("term");
										
					buffer += "<li><a href=\"" + decsServiceUrl + "&tree_id=" + id + "&autocomplete_term=" + term + "\">" + term + "</a></li>\n"; 				
                }   
				buffer += "</ul>";   
            } else {
                buffer = xmlHttp.responseText;
            }

			buffer += "<div align=\"right\"><a href=\"http://decs.bvs.br\" target=\"decs\"><img src=\"../image/common/decs/logo.gif\" border=\"0\"></a></div>";
			result.innerHTML = buffer;

     }
}