/******************************************************************************/
/*  BROWSER CHECK                                                             */
/******************************************************************************/

var nc    =  (document.captureEvents  && !document.getElementById)?       1 : 0;
var moz   =  (document.captureEvents  && document.documentElement)?       1 : 0;
var op6   =  (document.getElementById && !document.documentElement)?      1 : 0;
var op7   =  (window.opera && /Opera( |\/)7/i.exec(navigator.userAgent))? 1 : 0;
var op8   =  (window.opera && /Opera( |\/)8/i.exec(navigator.userAgent))? 1 : 0;
var ie    =  document.all? 1 : 0;
var ie4   =  (document.all            && !document.documentElement)?      1 : 0;
var ie5Up =  (document.all            && document.documentElement)?       1 : 0;
var dom   =  document.getElementById? 1 : 0;


/******************************************************************************/
/*  LAYER SHOW / HIDE                                                         */
/******************************************************************************/

function show_layer(x) {

	if(op6 || op7 || op8) {
		document.getElementById(x).style.visibility="visible";

	} else if(ie5Up) {
		document.getElementById(x).style.filter="blendTrans(duration=0.25)";
		document.getElementById(x).filters.blendTrans.apply();
		document.getElementById(x).style.visibility="visible";
		document.getElementById(x).filters.blendTrans.play();
	
	} else if(dom) {
		document.getElementById(x).style.visibility="visible";
	
	} else if(nc) {
		document.layers[x].visibility="show";

	} else {
		document.all[x].style.visibility="visible";
	}
}

function hide_layer(x) {

	if(op6 || op7) {
		document.getElementById(x).style.visibility="hidden";

	} else if(ie5Up) {
		document.getElementById(x).style.filter="blendTrans(duration=0.25)";
		document.getElementById(x).filters.blendTrans.apply();
		document.getElementById(x).style.visibility = "hidden";
		document.getElementById(x).filters.blendTrans.play();
	
	} else if(dom) {
		document.getElementById(x).style.visibility="hidden";
	
	} else if(nc) {
		document.layers[x].visibility="hide";
	} else {
		document.all[x].style.visibility="hidden";
	}
}