clicks=new Array;
clicks[0]="tvrad";
clicks[1]="speaking";
clicks[2]="bookstr";
clicks[3]="aviat";
var nogo;

function centerem(){
	if(document.layers) {
		wid=(window.innerWidth);
		high=(window.innerHeight);
		}
	else if (document.all) {
		wid=(document.body.clientWidth);
		high=(document.body.clientHeight);
		}
	widfixer=((parseInt(wid)-800)/2);
	highfixer=((parseInt(high)-600)/2);
	nams="bigjohn,tvrad,speaking,bookstr,aviat,mylayerDiv,mylayer2Div,mylayer3Div,mylayer4Div,mylayer5Div,mylayer6Div";
	lays=new Array;
	lays=nams.split(",");
	var helper="";
	if(document.all){helper=".style"}
	for(i=0;i<lays.length;i++){
		layobj=MM_findObj(lays[i]);
		eval("layobj"+helper+".left=parseInt(layobj"+helper+".left)+widfixer");
		//eval("layobj"+helper+".top=parseInt(layobj"+helper+".top)+highfixer");
	}
	layobj=MM_findObj('bigjohn');
	temp="layobj"+helper+".visibility='visible'";
	eval(temp);
}

function init(nogo2) {
	//centerem();
	nogo=nogo2;
	imgnam=nogo2+"img";
	picobj=MM_findObj(imgnam);
	if(picobj){
		temp="picobj.src='../img/"+nogo2+"img_blur.jpg'";
		eval(temp);
		}
	butnam=nogo2+"btn";
	picobj2=MM_findObj(butnam);
	if(picobj2){
		temp="picobj2.src='../btn/"+nogo2+"btn_blur.gif'";
		eval(temp)
	}

	mylayer = new DynLayer("mylayerDiv")
	mylayer.elm.onmouseover = unswitchy
	if (is.ns) mylayer.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)
	mylayer2 = new DynLayer("mylayer2Div")
	mylayer2.elm.onmouseover = unswitchy
	if (is.ns) mylayer2.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)
	mylayer3 = new DynLayer("mylayer3Div")
	mylayer3.elm.onmouseover = unswitchy
	if (is.ns) mylayer3.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)
	mylayer4 = new DynLayer("mylayer4Div")
	mylayer4.elm.onmouseover = unswitchy
	if (is.ns) mylayer4.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)
	mylayer5 = new DynLayer("mylayer5Div")
	mylayer5.elm.onmouseover = unswitchy
	if (is.ns) mylayer5.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)
	mylayer6 = new DynLayer("mylayer6Div")
	mylayer6.elm.onmouseover = unswitchy
	if (is.ns) mylayer6.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP | Event.MOUSEMOVE)

}

function switchy(which){
	if(which!=nogo){
		temp="MM_swapImage('"+which+"btn','','../btn/"+which+"btn_RO.gif',1)";
		eval(temp);
		for(i=0;i<clicks.length;i++){
			if(clicks[i]!=which){MM_showHideLayers(clicks[i],'','hide')	}
			else{MM_showHideLayers(clicks[i],'','show')}
			}
		}
	else{
		unswitchy();
		return(false)
		}
}

function unswitchy(){
	MM_swapImgRestore();
	for(i=0;i<clicks.length;i++){MM_showHideLayers(clicks[i],'','hide')}
}