function fontUp(obj){
	if(gei(obj)){
		fs = parseInt(gei(obj).style.fontSize);
		fs += 2;
		gei(obj).style.fontSize = fs + "px";
	}
}
function fontDown(obj){
	if(gei(obj)){
		fs = parseInt(gei(obj).style.fontSize);
		fs -= 2;
		gei(obj).style.fontSize = fs + "px";
	}
}


/* target Ids */
function gei(x){ return document.getElementById(x); }

/* hide object */
function hide(x){ if(gei(x)) gei(x).style.display='none'; }

/* show object */
function show(x,y){	if(y==''){ gei(x).style.display='block'; }else{	gei(x).style.display=y; }}

/* url mover */
function jumpTo(x){window.location=x;}

/* toggle class */
function toggleClass(x,y){x.className=y;}

function toggle(x){
	y = gei(x).style.display;
	if(y=='none') gei(x).style.display='block';
	else gei(x).style.display='none';
	
}