function enviar_amigo (URL){ 
   window.open("includes/enviar_amigo.php","Enviar","width=250,height=180,scrollbars=NO,Titlebar='Enviar a un amigo...'") 
} 

function ShowHelpBottomLeft(div, evt){if (window.event) {var evt = window.event;};if (typeof evt.pageX == 'number'){_x = evt.pageX;_y = evt.pageY;}else if (typeof evt.clientX == 'number'){_x = evt.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;;_y = evt.clientY + document.body.scrollTop + document.documentElement.scrollTop;}document.getElementById(div).style.display = 'block';ancho_div=document.getElementById(div).clientWidth;largo_div=document.getElementById(div).clientHeight;p_x = _x - ancho_div + 200;p_y = _y + 10;document.getElementById(div).style.left = p_x + 'px';document.getElementById(div).style.top = p_y + 'px';}function HiddenHelp(div){ document.getElementById(div).style.display = 'none';}


<!--
function abre_div(div_abrir,div_texto){
	if (div_abrir.style.display == "none"){
		div_abrir.style.display = "";
		div_texto.innerHTML="[ Cerrar Filtros ]";
	}else{
		div_abrir.style.display = "none";
		div_texto.innerHTML="[ Abrir Filtros ]";
	}
}


function cambiacolor_over(celda){ 
	celda.style.backgroundColor="#EDEDED";
} 
function cambiacolor_out(celda){ 
	celda.style.backgroundColor="" ;
}