function rotar(actual, cant) {
	var siguiente = actual + 1;
	
	// hay q hacer q vuelva a empezar cuando llego al limite
	if (siguiente > cant) {
		siguiente = siguiente % cant;
	}

	document.getElementById('guia'+actual).style.display='none';
	document.getElementById('guia'+siguiente).style.display='block';
	
	// q pase al siguiente cada 6 segundos
	setTimeout("rotar("+siguiente+", 3)", 6000);									
}


/* ROTATOR */
/* usa jquery */
/* http://www.alohatechsupport.net/webdesignmaui/maui-web-site-design/easy_jquery_auto_image_rotator.html */

function theRotator() {
	//Set the opacity of all images to 0
	$('div.rotator ul li').css({opacity: 0.0});
	
	//Get the first image and display it (gets set to full opacity)
	$('div.rotator ul li:first').css({opacity: 1.0});
		
	
	if ($('div.rotator ul li').size() > 1) {
		//Call the rotator function to run the slideshow, 6000 = change to next image after 6 seconds
		setInterval('rotate()',4000);
	}
	
}

function rotate() {	
	//Get the first image
	var current = ($('div.rotator ul li.show')?  $('div.rotator ul li.show') : $('div.rotator ul li:first'));

    if ( current.length == 0 ) current = $('div.rotator ul li:first');

	//Get next image, when it reaches the end, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('show')) ? $('div.rotator ul li:first') :current.next()) : $('div.rotator ul li:first'));
	
	//Un-comment the 3 lines below to get the images in random order
	
	//var sibs = current.siblings();
    //var rndNum = Math.floor(Math.random() * sibs.length );
    //var next = $( sibs[ rndNum ] );
			

	//Set the fade in effect for the next image, the show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);

	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	
};



function contactar(id) {
	
	window.open (
		"contactoguia.php?id="+id, 
		"mywindow", 
		"menubar=0, resizable=0, toolbar=0, status=0, scrollbars=1, width=600, height=650");
	
	mywindow.moveTo(0,0);

}


function limpiarForm(oForm) {

	if (confirm('¿Desea limpiar el formulario?')){
	
		var frm_elements = oForm.elements;
		
		for (i = 0; i < frm_elements.length; i++){
		
			field_type = frm_elements[i].type.toLowerCase();
			
			switch (field_type){
			case "text":
			case "password":
			case "textarea":
			//case "hidden":
				frm_elements[i].value = "";
			break;
			case "radio":
			case "checkbox":
				if (frm_elements[i].checked) {
					frm_elements[i].checked = false;
				}
			break;
			case "select-one":
			case "select-multi":
				frm_elements[i].selectedIndex = -1;
			break;
			
			default:
			break;
			}
		}
	}

}