var c1744 = new Array('1744','Todas as marcas','5782','Audi','3174','Fiat','6069','Mercedes-Benz','8505','Opel','6109','Seat');
var c5682 = new Array('5682','Todas las marcas');
var c1785 = new Array('1785','Todos os tipos');
var c1763 = new Array('1763','Todos os tipos','6809','Sport');
var c1907 = new Array('1907','Todos os tipos');
var c5782 = new Array('','Todos os modelos','27452','A4','27289','A6');
var c3174 = new Array('','Todos os modelos','24236','Outros Modelos');
var c6069 = new Array('','Todos os modelos','36200','Classe C','36168','Classe S');
var c8505 = new Array('','Todos os modelos','75060','Corsa');
var c6109 = new Array('','Todos os modelos','27364','Leon');
var c6809 = new Array('','Todas as marcas','36613','Honda');
/********/
function over(div, pos){
	var form = document.getElementById('FormBuscador');
	if(form.DivSelected.value != div){
		if(pos == 'L'){
			document.getElementById('TD'+div).style.backgroundImage = "url('"+picOverL.src+"')";
		}else{
			document.getElementById('TD'+div).style.backgroundImage = "url('"+picOverR.src+"')";
		}
	}
}

function out(div, pos){
	var form = document.getElementById('FormBuscador');
	if(form.DivSelected.value != div){
		if(pos == 'L'){
			document.getElementById('TD'+div).style.backgroundImage = "url('"+picOffL.src+"')";	
		}else{
			document.getElementById('TD'+div).style.backgroundImage = "url('"+picOffR.src+"')";	
		}
	}
}

function changeMid(div, pos){
	document.getElementById('1744').style.display = 'none';
	//document.getElementById('2242').style.display = 'none';
	document.getElementById('1763').style.display = 'none';
	
	document.getElementById('TD1744').style.backgroundImage = "url('"+picOffL.src+"')";
	//document.getElementById('TD2242').style.backgroundImage = "url('"+picOffL.src+"')";
	document.getElementById('TD1763').style.backgroundImage = "url('"+picOffL.src+"')";
	document.getElementById('TD5682').style.backgroundImage = "url('"+picOffR.src+"')";
	document.getElementById('TD1785').style.backgroundImage = "url('"+picOffR.src+"')";
	document.getElementById('TD1907').style.backgroundImage = "url('"+picOffR.src+"')";
	
	if(pos == 'L'){
		document.getElementById('TD'+div).style.backgroundImage = "url('"+picOnL.src+"')";
	}else{
		document.getElementById('TD'+div).style.backgroundImage = "url('"+picOnR.src+"')";
	}
	document.getElementById(div).style.display = 'block';
	document.getElementById('B'+div).focus();
	var form = document.getElementById('FormBuscador');
	form.categID.value = div;
	form.DivSelected.value = div;
	loadDivCombo(div);
}

function loadDivCombo(categ){
	var comb	= document.getElementById(categ+'C1'); 
	if(comb){
		resetSelect(categ+'C1');
		var childComb = getChildSelect(categ,'C1');
		if(childComb != null){
			resetSelect(categ+'C2');
			childComb.options[0]= new Option("","");
			childComb.selectedIndex=0;
			childComb.disabled = true;
		}
		childComb = getChildSelect(categ,'C2');
		if(childComb != null){
			resetSelect(categ+'C3');
			childComb.options[0]= new Option("","");
			childComb.selectedIndex=0;
			childComb.disabled = true;
		}
		try{	
			var childArray=eval('c'+categ);
			if (childArray != null){
				for(var j=0;j<childArray.length;){
					comb.options[j/2]= new Option(childArray[j+1],childArray[j]);			
					j = j + 2;
				}
			}
		}catch(e) {}
	}
	
	var CY1 = document.getElementById('CY1'+categ);
	var CY2 = document.getElementById('CY2'+categ);
	var minYear = 1900;
	var midYear = 1980;
	var maxYear = 2011;
	var min;var max;
	resetSelect(CY1);
	resetSelect(CY2);
	if(categ == '5682'){
		min = minYear;
		max = midYear;
	}else{
		min = midYear;
		max = maxYear;
	}
	CY1.options[0] = new Option('Todos',0);
	CY2.options[0] = new Option('Todos',0);
	for(var x = 1; x < (max+1-min+1); x++){
		CY1.options[x]= new Option(min+x-1,min+x-1);
		CY2.options[x]= new Option(max-x+1,max-x+1);
	}
	CY1.selectedIndex = 0;
	CY2.selectedIndex = 0;
}

function resetSelect( selectToReset ){
	if (selectToReset == null){
		return;
	}
	selectToReset.length = 0;
}

function setVariable( categ, nivel, textToSet ){
	if(textToSet == ''){
		if(nivel == 'C2'){
			document.FormBuscador.categID.value = document.getElementById(categ+'C1').value;
		}else if(nivel == 'C3'){
			document.FormBuscador.categID.value = document.getElementById(categ+'C2').value;
		}
	}else{
		document.FormBuscador.categID.value = textToSet;	
	}			
}

function setCombo( categ, nivel){
	var parentSelect = document.getElementById(categ+nivel);
	var indice = parentSelect.selectedIndex;
	var selected=parentSelect.options[indice].value;
	var showName = parentSelect.options[indice].value;
	
	setVariable(categ,nivel,showName);
	
	childSelect = getChildSelect(categ,nivel);
	if (childSelect == null){
		return;
	}
	resetSelect( childSelect )
	
	if (indice > 0){
		var nombreVariable = "c"+ parentSelect.options[indice].value;

		
		try{	
			var childArray=eval(nombreVariable);
			if (childArray != null && childSelect != null){
				childSelect.disabled = false			
			} else {		
				return ;
			}
			childSelect.options[0]= new Option(childArray[1],"");
			for(var j=2;j<childArray.length;){
				childSelect.options[j/2]= new Option(childArray[j+1],childArray[j]);			
				j = j + 2;
			}
		}catch(e) {}
	}else{ 
		if (childSelect != null){		
			childSelect.disabled=true;
		}
	}
}

function getChildSelect ( categ,nivel ){
	if(nivel == 'C1'){
		return document.getElementById(categ+'C2');
	}
	if(nivel == 'C2'){
		return document.getElementById(categ+'C3');
	}else{
		return null	
	}
}

function buscar(){
	var form = document.getElementById('FormBuscador');
	var categID = form.categID.value;
	var L2categID = form.DivSelected.value;
	var CY1 = document.getElementById('CY1'+L2categID);
	var CY2 = document.getElementById('CY2'+L2categID);
	var filtro = "";
	if(CY1.selectedIndex > 0){
		filtro = "&as_year_min="+CY1.value;
	}
	if(CY2.selectedIndex > 0){
		filtro = filtro + "&as_year_max="+CY2.value;
	}
	if (navigator.appName != 'Netscape')loadDivCombo('1744');
	window.location.href ='http://www.mercadolivre.pt/jm/search?as_categ_id='+categID+filtro;
}