function anim_links(cambio, elsonido , fadelinks) {
   $(".anim_links").mouseenter(			
	function(){	
				if(elsonido != ""){
					crearsonido();
				}
				if(cambio != 0){
				var the_length=this.src.length;
				var last_char=the_length-4;
				var remplazo = this.src.substr(last_char,4)
				this.src = this.src.replace(remplazo,"_hover"+remplazo); 
				}
				if(fadelinks != 0){
				$(this).animate({opacity:"0.5"},100,"swing", 
								function(){ $(this).animate({opacity:"1"},500)} 
								) 
				}
				
    });	
   	 
   	 $(".anim_links").mouseleave(	function(){ this.src = this.src.replace("_hover",""); });
   $('body').append("<div id='sound_of_link'></div>");
   function crearsonido(){
	$('#sound_of_link').css("position","absolute");$('#sound_of_link').css("top","0");
   var urldelsonido = elsonido;
   var flashsoundcode = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="1" height="1" id="sonido" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="allowFullScreen" value="false" /><param name="FlashVars" value="surl='+urldelsonido+'" /><param name="movie" value="sonido.swf" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="bgcolor" value="#ffffff" />	<embed src="sonido.swf" FlashVars="surl='+urldelsonido+'"quality="high" wmode="transparent" bgcolor="#ffffff" width="1" height="1" name="sonido" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer" /></object>';
      $('#sound_of_link').html(flashsoundcode);
   }

}