function new_win(url,alto,ancho) {
	arriba = Math.round((window.innerHeight) ? (window.innerHeight-alto)/1.7 : 100);
	izquie = Math.round((window.innerWidth) ? (window.innerWidth-ancho)/2.05 : 100);
	ventana = open(url,'ventana','channelmode=0,directories=0,menubar=0,location=0,resizable=0,scrollbars=1,status=0,titlebar=0,toolbar=0,height=' + alto + ',width=' + ancho + ',left=' + izquie + ',top=' + arriba + '')
}
function win_toggle() {
	for (i = 0, i_length = arguments.length; i < i_length; i++) {
		obj_layer = document.getElementById(arguments[i]);
		if (obj_layer.style.display == 'block') {
			obj_layer.style.display = 'none';
			var s_msie = 'visible';
		} else {
			obj_layer.style.display = 'block';
			var s_msie = 'hidden';
		}
	}
	if (navigator.userAgent.indexOf('MSIE') > -1) {
		obj_selects = document.getElementsByTagName('select');
		for(i = 0; i < obj_selects.length; i++) {
			obj_selects[i].style.visibility = s_msie;
		}
	}
}
function win_ballon(url,alto,ancho) {
    arriba = Math.round((window.innerHeight) ? (window.innerHeight-alto)/7.7 : 100);
	izquierda = Math.round((window.innerWidth) ? (window.innerWidth-ancho)/2.05 : 100);
	obj_layer = document.getElementById(url)
	obj_layer.style.left = izquierda + 'px';
	obj_layer.style.top = arriba + 'px';
	obj_layer.style.position = 'fixed';
}
function win_init() {
	abs_layer = document.getElementById(arguments[0]);
	alto = abs_layer.offsetHeight;
	ancho = abs_layer.offsetWidth;
	arriba = abs_layer.offsetTop;
	izquierda = abs_layer.offsetLeft;
	abs_layer = document.getElementById(arguments[1]);
	abs_layer.style.height = alto + 2 + 'px';
	abs_layer.style.width = ancho - 5 + 'px';
	abs_layer.style.top = arriba + 'px';
	abs_layer.style.left = izquierda + 2 + 'px';
}