function proximo(cancion) 
{
	 if(top.location.href != self.location.href)
	{
	document.write("<div align=\"center\">")
	  document.write("<A HREF=\"javascript:history.go(-1)\"><img src=\"../images/back.gif\" border=\"0\" alt=\"retroceder \"  hspace=\"5\"></A>")
	  document.write("<A HREF=\"javascript:top.location.href = self.location.href\"><img src=\"../images/vollbild.gif\" border=\"0\" alt=\"maximum \"  hspace=\"5\"></A>")
	  document.write("<A HREF=\"")
	  document.write(cancion);
	  document.write("\"><img src=\"../images/next.gif\" border=\"0\" alt=\"avanzar \"  hspace=\"5\"></A>")
	  document.write("</div>")
	}else
	{
		document.write("<div align=\"center\">")
		document.write("<A HREF=\"javascript:history.go(-1)\"><img src=\"../images/minimum.gif\" border=\"0\" alt=\"minimum \"  hspace=\"5\"></A>")
		document.write("</div>")
	}  
}

function a_z()
{
	 if(top.location.href != self.location.href)
	 {
	 	document.write("<div align=\"center\" id=\"links_canciones\">")
		document.write("<a href=\"../basic/a_z.htm#AE\" class=\"sub\">A  -  E</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;")
		document.write("<a href=\"../basic/a_z.htm#FJ\" class=\"sub\">F  -  J</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;")
		document.write("<a href=\"../basic/a_z.htm#KO\" class=\"sub\">K  -  O</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;")
		document.write("<a href=\"../basic/a_z.htm#PT\" class=\"sub\">P  -  T</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;")
		document.write("<a href=\"../basic/a_z.htm#UZ\" class=\"sub\">U  -  Z</a>")
		document.write("</div>")
		document.write("<br>")
	}
	
}