function ValidaCUIT(idcuit){
	var res=true;
	var el=document.getElementById(idcuit);
	var valorcuit=el.value;
	var control=new Array(5,4,3,2,7,6,5,4,3,2);
	var suma=0;
	res=(valorcuit.length==11 && !isNaN(valorcuit))
	res=(valorcuit.substr(0,1)==2 || valorcuit.substr(0,1)==3) && res
	
	if(valorcuit.length==11 && !isNaN(valorcuit)){
		for(var i=0;i<10;i++){
			n1=parseInt(valorcuit.substr(i,1),10);
			n2=parseInt(control[i],10);
			suma=parseInt(suma)+(n1*n2);
		}
		var resultado=(11-(suma%11));
		if(resultado==11){
			resultado=0;
			}
		res=(valorcuit.substr(10,1)==resultado && res)
	}
	
	if(!res){
		el.style.borderColor='#FF0000';
		alert('El campo Usuario debe ser un CUIT valido.');
	}
	return res
}
function filtrarCombo(combo,texto){
	//sencillo, rapido, soy un mostro
	if (!window.document['_aryCombo' + combo.name]){
		window.document['_aryCombo' + combo.name]=new Array()
		window.document['_valorInicial' + combo.name]='';
		for (var x=0;x<combo.options.length;x++){
			window.document['_aryCombo' + combo.name].push({texto:combo.options[x].text,valor:combo.options[x].value})
			if(combo.options[x].selected){
				window.document['_valorInicial' + combo.name]=combo.options[x].value;
				
			}
		}		
		
	}
	var ini=new Date()
	if(!combo.OpcionesCargadas){
	}
	
	//alert('for 1:' + ((new Date()-ini) / 1000) )
		
	//filtrar
	
	var ini=new Date()
	
	var selectParentNode = combo.parentNode;
	var newSelectObj = combo.cloneNode(false); // Make a shallow copy
	selectParentNode.replaceChild(newSelectObj, combo);
	//alert('Borrar opciones: ' + ((new Date()-ini) / 1000) )
	texto=texto.toLowerCase();
	var ini=new Date()
	var aryOptions=new Array()
	aryOptions.push ("<option value='abcd1234567890'></option>");
	for(var ind=0;ind<window.document['_aryCombo' + combo.name].length;ind++){
		if(window.document['_aryCombo' + combo.name][ind].texto.toLowerCase().indexOf(texto)>=0){
			//newSelectObj.options.add (new Option('texto','valor'))//newSelectObj.OpcionesCargadas[ind].texto, newSelectObj.OpcionesCargadas[ind].valor));
			aryOptions.push ("<option value='" + window.document['_aryCombo' + combo.name][ind].valor.replace("'","\'") + "'>" + window.document['_aryCombo' + combo.name][ind].texto.replace('<','&lt;').replace('>','&gt;') + "</option>");
			
		}
	}
	//alert('for Filtrar:' + ((new Date()-ini) / 1000) )

	var ini=new Date()
	newSelectObj.innerHTML=aryOptions.join()
	//alert('newSelectObj.innerHTML=aryOptions.join():' + ((new Date()-ini) / 1000) )

	var ini=new Date()
	newSelectObj.outerHTML=newSelectObj.outerHTML
	//alert('newSelectObj.outerHTML=newSelectObj.outerHTML:' + ((new Date()-ini) / 1000) )

	if (!window.document._redibujandoCombo){
		window.setTimeout("redibujarCombo('" + newSelectObj.name + "')",1000);
	}
	/*
	var ini=new Date()
	for (var x=0;x<newSelectObj.options.length;x++){
		if(newSelectObj.options[x].value==window.document['_valorInicial' + combo.name]){
			newSelectObj.options[x].selected=true;
		}
	}
	*/
	//alert('for 3:' + ((new Date()-ini) / 1000) )
}
function redibujarCombo(comboName){
	var ini=new Date()
	combo=document.getElementById(comboName)
	for (var x=0;x<combo.options.length;x++){
		if(combo.options[x].value==window.document['_valorInicial' + combo.name]){
			combo.options[x].selected=true;
		}
	}
	window.document._redibujandoCombo=false
	//alert('redibujarCombo:' + ((new Date()-ini) / 1000) )

}
function ClearOptionsFast(id)
{
	var selectObj = document.getElementById(id);
	var selectParentNode = selectObj.parentNode;
	var newSelectObj = selectObj.cloneNode(false); // Make a shallow copy
	selectParentNode.replaceChild(newSelectObj, selectObj);
	return newSelectObj;
}

function disableForm(form,sino,aryExcluir){
	for(var x=0;x<form.elements.length;x++){
		var el=form.elements[x];
		if (aryExcluir){
			if(!valInArray(aryExcluir,el.name)){
				if(el.type!='hidden')el.disabled=sino
			}
		}else{
			if(el.type!='hidden')el.disabled=sino
		}
	}
}
function valInArray(arr,val){
	for(var x=0;x<arr.length;x++){
		if (arr[x]==val){
			return true
			break;
		}
	}
	return false
}

   function formatoDecimal(sVal, nDec){ 
    var n = parseFloat(sVal); 
    var s = "0.00"; 
    if (!isNaN(n)){ 
     n = Math.round(n * Math.pow(10, nDec)) / Math.pow(10, nDec); 
     s = String(n); 
     s += (s.indexOf(".") == -1? ".": "") + String(Math.pow(10, nDec)).substr(1); 
     s = s.substr(0, s.indexOf(".") + nDec + 1); 
    } 
    return s; 
   }