<!--
// begin absolutely positioned scrollable area object scripts 
// Extension developed by David G. Miles 
// Original Scrollable Area code developed by Thomas Brattli
// Changed for convenience by Wouter Tengeler 
function verifyCompatibleBrowser(){ 
	this.ver=navigator.appVersion; 
	this.dom=document.getElementById?1:0;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
	this.ie4=(document.all && !this.dom)?1:0; 
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	
	this.ns4=(document.layers && !this.dom)?1:0; 
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5);
	return this 
} 

bw=new verifyCompatibleBrowser();

function ConstructObject(obj,nest){ 
	nest=(!nest) ? '':'document.'+nest+'.' 
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
	this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight;
	this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight;
	//this.up=MoveAreaUp;this.down=MoveAreaDown; 
	this.MoveArea=MoveArea; this.x; this.y; 
	this.obj = obj + "Object"; 
	eval(this.obj + "=this"); 
	return this;
} 

function MoveArea(x,y){ 
	this.x=x;this.y=y; 
	this.css.left=this.x; 
	this.css.top=this.y;
} 

function positionWindow() {
	winX = document.body.scrollLeft+((document.body.clientWidth-750)/2);
	if (winX < 0) winX = 0;
	winY = document.body.scrollTop+((document.body.clientHeight-600)/2);
	if (winY < 0) winY = 0;
	if (objWindow) {
		objWindow.MoveArea(winX,winY);
	}
	objWindow.css.visibility='visible';
	return true;
}

function init() {
	objWindow=new ConstructObject('mainarea');
	return true;
}

function menuOver(menuItem) {
	eval("document.images['" + menuItem + "'].src = 'images/nav-" + menuItem + "-over.gif'");
	return false;
}
function menuOut(menuItem) {
	eval("document.images['" + menuItem + "'].src = 'images/nav-" + menuItem + ".gif'");
	return false;
}

// -->