function AbrirCentro(url,nompopup,popW,popH,resizable,scroll){
	w = screen.availWidth;
	h = screen.availHeight;
	var leftPos = (w-popW)/2; topPos = (h-popH)/2;
	leftPos = leftPos - 20;
	topPos = topPos - 20;
	window.open(url,nompopup,'width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos + ',resizable=' + resizable + ',scrollbars=' + scroll );
}

/***********************************************
Bookmark site script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
This notice MUST stay intact for legal use
Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/
function bookmarksite(title, url){
	if (document.all)
		window.external.AddFavorite(url, title);
	else if (window.sidebar)
	window.sidebar.addPanel(title, url, "")
}

function OverImg(name) {
	actual = document.getElementById(name).src
	total = actual.length
	tipo = actual.substr(total-3,total)
	if (tipo=="jpg") {
		formato = "jpg"
	} else {
		formato = "gif"
	}
	document.getElementById(name).src = "images/" + name + "_over." + formato;
}

function OutImg(name) {
	actual = document.getElementById(name).src
	total = actual.length
	tipo = actual.substr(total-3,total)
	if (tipo=="jpg") {
		formato = "jpg"
	} else {
		formato = "gif"
	}	
	document.getElementById(name).src = "images/" + name + "." + formato;
}

function EsEmail(string) {
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) {
		return true;
	} else {
		return false;
	}
}

function Montos(string) {
    var valid = "0123456789.";
    var rpta = '';
    for (var i=0; i<string.length; i++){
        val = string.substring(i, i+1);
        if (valid.indexOf(val) > -1) rpta += val;
    }
    return rpta;
}

function Enteros(string) {
    var valid = "0123456789";
    var rpta = '';
    for (var i=0; i<string.length; i++){
        val = string.substring(i, i+1);
        if (valid.indexOf(val) > -1) rpta += val;
    }
    return rpta;
}

function Caracteres(string) {
    var invalid = "!ñÑ´áéíóúÁÉÍÓÚ{}[]";
    var rpta = '';
    for (var i=0; i<string.length; i++){
        inval = string.substring(i, i+1);
        if (invalid.indexOf(inval) > -1) rpta += inval;
    }
    return rpta;
}

function Espacio(string) {
    var invalid = " ";
    var rpta = '';
    for (var i=0; i<string.length; i++){
        inval = string.substring(i, i+1);
        if (invalid.indexOf(inval) > -1) rpta += inval;
    }
    return rpta;
}

function Puntos(string) {
    var invalid = ".";
    var rpta = '';
    for (var i=0; i<string.length; i++){
        inval = string.substring(i, i+1);
        if (invalid.indexOf(inval) > -1) rpta += inval;
    }
    return rpta;
}

function Over(src,color) {
    src.bgColor=color; src.style.cursor="hand";
} 

function Out(src,color) { 
    src.bgColor=color; src.style.cursor="default"; 
}

/***********************************************
Front End
***********************************************/
function Detalle(codigo) {
	document.tukanperu.action = "detalle.php"
	document.tukanperu.iproducto.value = codigo
	document.tukanperu.submit()
} 
function Regresar() {
	document.tukanperu.action = "index.php"
	document.tukanperu.submit()
} 
function Buscar() {
	document.tukanperu.action = "busqueda.php"
	if (document.tukanperu.buscador.value == "") {
		alert("Debe de ingresar un valor para comenzar la búsqueda.")
		document.tukanperu.buscador.focus()
		return
	}
	document.tukanperu.submit()	
}
function Agregar(codigo) {
	document.tukanperu.iproducto.value = codigo
	if (document.tukanperu.icliente.value == "") {
		alert("Debe de logearse o registrarse para poder hacer compras.")
		document.tukanperu.action = "acceso.php"
		document.tukanperu.submit()	
	} else {
		document.tukanperu.action = "verificar_carrito.php"
		document.tukanperu.submit()
	}
}