function showvideo(id) {
	var url="/videos/exec/get_galvideo.php?id="+id;
	crear_script_tag_video(url);
}

function crear_script_tag_video(arch) {
	var sc_obj="JS_SCRIPT_OBJECT";
	var obj_head = document.getElementsByTagName("head").item(0)
	scriptTag = document.getElementById(sc_obj);

	if(scriptTag!=null)
	{
		obj_head.removeChild(scriptTag);
		delete scriptTag;
		scriptTag=null;
	}
	scriptTag = document.createElement("SCRIPT");
	var vch="?";
	if (arch.indexOf("?")!=-1) vch="&";
	scriptTag.src = arch+vch+Math.random()*1000000;
	scriptTag.type = 'text/javascript';
	scriptTag.id = sc_obj;
	obj_head.appendChild(scriptTag);
}