function funcShowImage(url, image_url, ancho, alto){
	var obj_img_princ = document.getElementById('img_princ');
	var obj_img_ver = document.getElementById('img_ver');
	var temp_url = url+'&image='+image_url;
	
	obj_img_princ.onclick = function() {
		return popUpCenter(temp_url, ancho, alto);
	};
	
	obj_img_ver.onclick = function() {
		return popUpCenter(temp_url, ancho, alto);
	};
}

function funcShowImageBegin(url, image_url, ancho, alto){
	var obj_img_princ = document.getElementById('img_princ');
	var temp_url = url+'&image='+image_url;
	
	popUpCenter(temp_url, ancho, alto);
}