function ch1(x){
		var yy=3;
		var z=0;
		var	xx="";
		for(var y=0;y<x.length;y++){
				z=x.charCodeAt(y);
				xx+=String.fromCharCode(z-yy);
		}
		return xx;
}

function agev(x){
		location.href=ch1(x);
}