function AbrirCentro(url,nompopup,popW,popH,resizable,scroll){
	w = screen.availWidth;
	h = screen.availHeight;
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
	window.open(url,nompopup,'width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos + ',resizable=' + resizable + ',scrollbars=' + scroll );
}
function Over(src,color) {
    src.bgColor=color; src.style.cursor="hand";
} 
function Out(src,color) { 
    src.bgColor=color; src.style.cursor="default"; 
}
function OverImg(name,posicion) {
	actual = document.getElementById(name).src
	total = actual.length
	tipo = actual.substr(total-3,total)
	if (tipo=="jpg") {
		formato = "jpg"
	} else {
		formato = "gif"
	}
	if (posicion == "1") {
		document.getElementById(name).src = "../images/" + name + "_on." + formato;
	}
	if (posicion == "2") {
		document.getElementById(name).src = "images/" + name + "_on." + formato;
	}
	if (posicion == "3") {
		document.getElementById(name).src = "../images/" + name + "_on." + formato;
	}
}
function OutImg(name,posicion) {
	actual = document.getElementById(name).src
	xposicion = actual.indexOf("manager")
	total = actual.length
	tipo = actual.substr(total-3,total)
	if (tipo=="jpg") {
		formato = "jpg"
	} else {
		formato = "gif"
	}	
	if (posicion == "1") {
		document.getElementById(name).src = "../images/" + name + "." + formato;
	}
	if (posicion == "2") {
		document.getElementById(name).src = "images/" + name + "." + formato;
	}
	if (posicion == "3") {
		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 EsNumero(string) {
	if ((string.length) == 0) {
		return false;
	}
	if (isNaN(string)) {
		return false;
	} else {
		return true	;
	}
}
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 Decimales(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 = "!ρΡ΄αινσϊΑΙΝΣΪ{}[]-";
    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;
}