function clearDropDown(fieldID) { 
	var theDropDown = document.getElementById(fieldID)
	var numberOfOptions = theDropDown.options.length
	for (i=0; i<numberOfOptions; i++) {
		theDropDown.remove(0)
	}
}

function validateSearch(){  
    x=document.ks_form;
    input=x.keyword.value;
    if (input.length < 3){
        alert("La palabra de busqueda tiene que tener minimum 3 letras!");
		  return false;
    } else {
         document.ks_form.submit();
    }
}


function validateConfirm() { 
	var elID = document.getElementById('conf_cond');
	if (!elID.checked)  { 
		alert("Tiene que aceptar los condiciones");
	} else {		
		document.cl_form.submit();
	}
}

function openimg(url) {
    window.open( url, 'article', 'width=585,height=385,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1');
}

var newwindow;

function popwindow(url)
{ 
	newwindow=window.open(url,'Detalles','scrollbars=yes,resizable=no,width=640,height=400');
	if (window.focus) {newwindow.focus()}
}

var w3c=(document.getElementById)?true:false;
var ie=(document.all)?true:false;
var N=-1;

function createBar(w,h,bgc,brdW,brdC,blkC,speed,blocks,count,action){
if(ie||w3c){
var t='<div id="_xpbar'+(++N)+'" style="visibility:visible; position:relative; overflow:hidden; width:'+w+'px; height:'+h+'px; background-color:'+bgc+'; border-color:'+brdC+'; border-width:'+brdW+'px; border-style:solid; font-size:1px;">';
t+='<span id="blocks'+N+'" style="left:-'+(h*2+1)+'px; position:absolute; font-size:1px">';
for(i=0;i<blocks;i++){
t+='<span style="background-color:'+blkC+'; left:-'+((h*i)+i)+'px; font-size:1px; position:absolute; width:'+h+'px; height:'+h+'px; '
t+=(ie)?'filter:alpha(opacity='+(100-i*(100/blocks))+')':'-Moz-opacity:'+((100-i*(100/blocks))/100);
t+='"></span>';
}
t+='</span></div>';
document.write(t);
var bA=(ie)?document.all['blocks'+N]:document.getElementById('blocks'+N);
bA.bar=(ie)?document.all['_xpbar'+N]:document.getElementById('_xpbar'+N);
bA.blocks=blocks;
bA.N=N;
bA.w=w;
bA.h=h;
bA.speed=speed;
bA.ctr=0;
bA.count=count;
bA.action=action;
bA.togglePause=togglePause;
bA.showBar=function(){
this.bar.style.visibility="visible";
}
bA.hideBar=function(){
this.bar.style.visibility="hidden";
}
bA.tid=setInterval('startBar('+N+')',speed);
return bA;
}}

function startBar(bn){
var t=(ie)?document.all['blocks'+bn]:document.getElementById('blocks'+bn);
if(parseInt(t.style.left)+t.h+1-(t.blocks*t.h+t.blocks)>t.w){
t.style.left=-(t.h*2+1)+'px';
t.ctr++;
if(t.ctr>=t.count){
eval(t.action);
t.ctr=0;
}}else t.style.left=(parseInt(t.style.left)+t.h+1)+'px';
}

function togglePause(){
if(this.tid==0){
this.tid=setInterval('startBar('+this.N+')',this.speed);
}else{
clearInterval(this.tid);
this.tid=0;
}}

function togglePause(){
if(this.tid==0){
this.tid=setInterval('startBar('+this.N+')',this.speed);
}else{
clearInterval(this.tid);
this.tid=0;
}}

function show_hide(id) { 
	var item1 = document.getElementById(id); 
	if (item1==null) { return; } 
	var expand = item1.style.display == 'block'; 
	item1.style.display = (expand ? 'none' : 'block'); 
	change_image();
	change_text();
} 

function change_image() { 
	var img = document.getElementById('chgimg'); 
	if (img!=null) { 
		var ver = img.src.indexOf('/images/page/arrow_expand.gif') >= 0; 
	if (!ver) 
		img.src = '/images/page/arrow_expand.gif'; 
	else 
		img.src = '/images/page/arrow_extract.gif'; 
	} 
} 

function change_text() { 
	var elemToChange = document.getElementById("chgtxt"); 
	elemToChange.innerHTML = (elemToChange.innerHTML == 'Ver Carrito')?'Ocultar Carrito':'Ver Carrito';
}

function show(id) { 
	var item1 = document.getElementById(id); 
	if (item1==null) { return; } 
	var expand = item1.style.display == 'block'; 
	item1.style.display = 'block'; 
} 
function hide(id) { 
	var item1 = document.getElementById(id); 
	if (item1==null) { return; } 
	var expand = item1.style.display == 'none'; 
	item1.style.display = 'none'; 
}