function restoreSettings(){
	for (var i = 0; i < Infinity; i++){
		if (getItem("fullDescription" + i) == null) break;
		var g = new Graph(getItem("fullDescription" + i));
		g.name = getItem("name" + i);
		g.reference = getItem("reference" + i);
		g.displayFunction = getItem("displayFunction" + i);
		g.executeFunction = getItem("executeFunction" + i);
		g.color = getItem("color" + i);
		g.thickness = int(getItem("thickness" + i));
		g.visible = boolean(getItem("visible" + i));
		graphs.push(g);
	}
}

function safeSettings(){

}

function restoreStandard(){
	if (graphs.length > 0){return;}
	function restore(f, c, i){
		var g = new Graph(f);
		g.setColor(c);
		graphs[i] = g;
	}
	restore("f(x)=x^3-2x", "#ffe602", 0);
	restore("g(x)=(1 - x^2)^(1/2)", "#ff0202", 1);
	restore("h(x)=e^(-x)", "#000000", 2);
	restore("i(x)= 1/(x^2)", "#31ff04", 3);
	restore("j(x)= |x| * x", "#0f02ff", 4);
	restore("k(x)=log(x)", "#ff0be2", 5);
	restore("l(x)= sin(2x)", "#02ffc6", 6);
	restore("m(x)=cos(0.5x)", "#ff8d03", 7);
	restore("n(x)=atan(x)", "#01cfff", 8);
}