// JavaScript Document
function cambiarEstilo(tdI, color){
	tdI.style.borderColor=color;
}

// JavaScript Validación de Formulario

function validar_Email(campo){
	if (campo.value.indexOf("@") != -1) return true;
	return false;
}

function validar_NoVacio(campo){
	if (campo.value != "") return true;
	return false;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var ant,sig,i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; 
  var formu = document.modeloImagen;
  for(i=0;i<(a.length-4);i+=3)
   if ((x=MM_findObj(a[i]))!=null){
	   	document.MM_sr[j++]=x; 
			if(!x.oSrc) 
				x.oSrc=x.src; 
		x.src=a[i+2];
   }
   escribir(a[5], 'descripcionImgGaleria');
   if(a[6] == 0){
   		formu.sig.value = a[6]+1;
		formu.ant.value = "";
		mostrar('divDerecha');
		ocultar('divIzquierda');
   }else{
		if(a[6]+1 == formu.cant.value){
			formu.sig.value = "";
			formu.ant.value = a[6]-1;
			mostrar('divIzquierda');
			ocultar('divDerecha');
		}else{
			formu.sig.value = a[6]+1;
			formu.ant.value = a[6]-1;
			mostrar('divIzquierda');
			mostrar('divDerecha');
		}   
   }
   	
}
var dom = document.getElementById ? true:false;
var nn4 = document.layers ? true:false;
var ie4 = document.all ? true:false;
function escribir(texto, x){
	try
	{
		if(ie4){
			document.all[x].innerHTML=texto;
		}
		else if(nn4){
			document.layers[x].innerHTML=texto;
		}
		else if(dom){
			document.getElementById(x).innerHTML=texto;
		}
	}
	catch(e){}
}

function siguiente(){
	var formu = document.modeloImagen;
	try
	{
		if(ie4){
			document.all['g'+formu.sig.value].onclick();	
		}
		else if(nn4){
			document.layers['g'+formu.sig.value].onclick();	
		}
		else if(dom){
			document.getElementById('g'+formu.sig.value).onclick();	
		}
	}
	catch(e){}
}
function anterior(){
	var formu = document.modeloImagen;
	try
	{
		if(ie4){
			document.all['g'+formu.ant.value].onclick();	
		}
		else if(nn4){
			document.layers['g'+formu.ant.value].onclick();	
		}
		else if(dom){
			document.getElementById('g'+formu.ant.value).onclick();	
		}
	}
	catch(e){}	
}
function mostrar(x){
		if(ie4){
			document.all[x].style.visibility="visible";
			document.all[x].style.display="block";
		}
		else if(nn4){
			document.layers[x].visibility="visible";
			document.layers[x].display="block";
		}
		else if(dom){
			document.getElementById(x).style.visibility="visible";
			document.getElementById(x).style.display="block";
		}
}

function ocultar(x){
	try
	{
		if(ie4){
			document.all[x].style.visibility="hidden";
			document.all[x].style.display="none";
		}
		else if(nn4){
			document.layers[x].visibility="hidden";
			document.layers[x].style.display="none";
		}
		else if(dom){
			document.getElementById(x).style.visibility="hidden";
			document.getElementById(x).style.display="none";
		}
	}
	catch(e){}
}