function ampliar_01() {
	ven = open("agradecimientos.htm","01_default","width=620,height=275,status=no,toolbar=no,menubar=no,scrollbars=no");
}


function abrir(x,y,z,t) {
     if (navigator.appName == 'Netscape') {
     	y = 20 + y;
     	z = 20 + z;
     	ven = open(x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
     } else {
     	ven = open(x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
     }
}

function abrir_01(x,y,z,t) {
     if (navigator.appName == 'Netscape') {
     	y = 20 + y;
     	z = 20 + z;
     	ven = open("evocaciones/"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
     } else {
     	ven = open("evocaciones/"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
     }
}


function abrir2(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven = open("antologia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven = open("antologia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
   }
}

function abrir3(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("biografia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("biografia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function abrir4(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("cronologia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("cronologia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function abrir5(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("obra_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("obra_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function abrir6(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("evocaciones_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("evocaciones_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function abrir7(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("acerca_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("acerca_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function abrir8(x,y,z,t) {
	if (navigator.appName == 'Netscape') {
		y = 20 + y;
		z = 20 + z;
		ven =open("bibliografia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	} else {
		ven =open("bibliografia_ampliacion_"+x+".htm",x,"width="+y+",height="+z+",status=no,toolbar=no,menubar=no,scrollbars="+t);
	}
}

function fecha(){
	var d=new Date();
	var f = d.getFullYear();
		if (f > 2004) {
			ff = "2004-" + f; 
			return ff;
		} else {
			return f;
		}
}