/******************************************************
* Scrolling
******************************************************/
var ourInterval;
var origColor = "#F3F9F1";
var overColor = "#36FF00";
var scrollSpeed = 50;
var scrollHeight = 5;
var win;

function scrollStart(direction, divID, elementID){
//CHANGE THE BACKGROUND COLOR OF THE TD THE MOUSE IS OVER
//document.getElementById(elementID).style.backgroundColor = overColor;
// REPEATED CALL EITHER scrollUp OR scrollDown
ourInterval = setInterval("scroll"+direction+"('"+divID+"')", scrollSpeed);
}

function scrollEnd(which){
// OUR MOUSE IS OUT, SO RETURN TD TO ORIGINAL COLOR
//document.getElementById(which).style.backgroundColor = origColor;
// STOP CALLING THE SCROLL FUNCTION
clearInterval(ourInterval);
}

function scrollUp(which){
// SET THE SCROLL TOP
document.getElementById(which).scrollTop = document.getElementById(which).scrollTop - scrollHeight;
}

function scrollDown(which){
// SET THE SCROLL TOP
document.getElementById(which).scrollTop = document.getElementById(which).scrollTop + scrollHeight;
}
/******************************************************
* End of Scrolling
******************************************************/




function echeck(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		return false
	 }

	 return true					
}

function showArticle(product_id, category_id, special) {
	if (!special) {
		window.location.href='articulo_detalles.php?id='+product_id+'&categoria_id='+category_id;
	} else {
		window.location.href='articulo_special.php?id='+product_id+'&categoria_id='+category_id;
	}
		
}

function fbs_click() {
	u=location.href;
	t=document.title; 
	window.open('http://www.facebook.com/sharer.php?u=' +encodeURIComponent(u)+'&t='+ encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436'); 
	return false; 
}

function openWin(adr, w, h) {
	l=(screen.width - w)/2;
	t=(screen.height - h)/2;
	
	if(win) win.close();	
	parameter = "toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width="+w+",height="+h+",left="+l+",top="+t+"";
	win=window.open(adr,"Zoom",parameter);
	
}