function setActiveStyleSheet(title) {
	var i, a, main;
	var listo = 0;

	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
	{
		if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) 
		{
			a.disabled = true;
			if(a.getAttribute("title") == title)
			{
				listo = 1;
				a.disabled = false;
			}
		}
	}
	if((listo == 0) && (title != "print")) 
	{
		document.getElementsByTagName("link")[0].disabled = false;
	}
}

function estiloImprimir() {             
	setActiveStyleSheet("print", 1);
	print();
    setActiveStyleSheet("style1");   
}