function ventana (URL,ancho,alto)
	{ 
	window.open(URL,"ventana1","width="+ancho+", height="+alto+", scrollbars=no, menubar=no, location=no, resizable=no") 
	}			

function ventana_predica (URL,ancho,alto)
	{ 
	window.open(URL,"ventana1","width="+ancho+", height="+alto+", scrollbars=yes, menubar=no, location=no, resizable=no") 
	}			
	
function ventanaSecundaria (URL)
	{ 
   window.open(URL,"ventana1","width=1000,height=600,scrollbars=NO") 
	} 

function ventanaSecundaria2 (URL)
	{ 
   window.open(URL,"ventana1","width=1000,height=600,scrollbars=YES") 
	} 

function ventanaSecundaria3 (URL)
	{ 
   window.open(URL,"ventana1","width=600,height=300,scrollbars=NO") 
	} 

function ventanaSecundaria4 (URL)
	{ 
   window.open(URL,"ventana1","width=800,height=600,scrollbars=YES") 
	}