function ampliar_01() {
	ven = open("agradecimientos.htm","01_default","width=730,height=450,status=no,toolbar=no,menubar=no,scrollbars=yes");
}

function abrir(x) {
     ven =open(x+".htm","ampliacion","width=655,height=380,status=no,toolbar=no,menubar=no,scrollbars=yes"); 
}

function cerrar() {
     self.close()
}


function expo(x,y) {
	if (navigator.appName == 'Netscape') {  
//		alert("NETSCAPE");
	     	ven = open(x+"/"+y+".htm",x,"width=730,height=530,screenX=0,screenY=0,status=no,toolbar=no,menubar=no,scrollbars=no,resizable=yes");
	} else {
		ven = open(x+"/"+y+".htm",x,"width=730,height=530,top=0,left=0,status=no,toolbar=no,menubar=no,scrollbars=no,resizable=yes");
     	}
}

function evolucion() {
     	ven = open("expo/evolucion.htm","evolucion","width=600,height=420,screenX=0,screenY=0,status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no");
}

function fecha(){
	var d=new Date();
	var f = d.getFullYear();
		if (f > 2005) {
			ff = "2005-" + f; 
			return ff;
		} else {
			return f;
		}
}

function cerrar() {
     self.close()
}