// JavaScript Document
function abrir_popup(pagina, nombreVentana, ancho, alto, scrollbars){
	window.open(pagina,nombreVentana,"width=" + ancho + "px,height=" + alto + "px,resizable=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=" + scrollbars)
}



function checkBrowser(){
	this.ver=navigator.appVersion;
	this.dom=document.getElementById?1:0;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5);
	return this;
}

bw=new checkBrowser()


//esta funcion se usa para el formulario de compras
function showhide(divmostrar, divocultar){
	
	obj_mostrar =bw.dom?document.getElementById(divmostrar).style:bw.ie4?document.all[divmostrar].style:bw.ns4?nest?document[nest].document[divmostrar]:document[divmostrar]:0; 
	
	obj_ocultar =bw.dom?document.getElementById(divocultar).style:bw.ie4?document.all[divocultar].style:bw.ns4?nest?document[nest].document[divocultar]:document[divocultar]:0; 
	
	if(obj_mostrar.display=='block' || obj_mostrar.display=='block'){
		obj_mostrar.display='none'
		obj_ocultar.display='block'
	}
	else{
		obj_mostrar.display='block'
		obj_ocultar.display='none'
	}

}


function hide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
//	delay();
	obj.display='none';
}

function show(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
//	delay();
	obj.display='block';
}