<!--
var navigation_image=new Image();

function navigation(){
	this.furthur=null;
	this.furthur2=null;

	this.mainover=navigation_mainover;
	this.mainout=navigation_mainout;
	this.mainsubover=navigation_mainsubover;
	this.mainsubout=navigation_mainsubout;
	this.subover1=navigation_subover1;
	this.subout1=navigation_subout1;
	this.subover2=navigation_subover2;
	this.subout2=navigation_subout2;

	this.browserdetection=navigation_browserdetection;

	this.browserdetection();
}

function navigation_mainover(obj){
	if(this.ie){
		this.furthur=document.all["bg_"+obj.id].background;
		navigation_image.src="../images_nav/main-01b.gif";
		document.all["bg_"+obj.id].background=navigation_image.src;
	}
}

function navigation_mainout(obj){
	if(this.ie){
		navigation_image.src=this.furthur;
		this.furthur=null;
		document.all["bg_"+obj.id].background=navigation_image.src;
	}
}

function navigation_mainsubover(obj){
	if(this.ie){
		this.furthur=document.all["bg_"+obj.id].background;
		navigation_image.src="../images_nav/sub-01b.gif";
		document.all["bg_"+obj.id].background=navigation_image.src;
	}
}

function navigation_mainsubout(obj){
	if(this.ie){
		navigation_image.src=this.furthur;
		this.furthur=null;
		document.all["bg_"+obj.id].background=navigation_image.src;
	}
}

function navigation_subover1(obj){
	if(this.ie){
		this.furthur=document.all["bg_"+obj.id].className;
		this.furthur2=document.all[obj.id].className;
		document.all["bg_"+obj.id].className="demo2";
		document.all[obj.id].className="demo2";
	}
}

function navigation_subout1(obj){
	if(this.ie){
		document.all["bg_"+obj.id].className=this.furthur;
		document.all[obj.id].className=this.furthur2;
		this.furthur=null;
		this.furthur2=null;
	}
}

function navigation_subover2(obj){
	if(this.ie){
		this.furthur=document.all["bg_"+obj.id].className;
		this.furthur2=document.all[obj.id].className;
		document.all["bg_"+obj.id].className="demo4";
		document.all[obj.id].className="demo4";
	}
}

function navigation_subout2(obj){
	if(this.ie){
		document.all["bg_"+obj.id].className=this.furthur;
		document.all[obj.id].className=this.furthur2;
		this.furthur=null;
		this.furthur2=null;
	}
}

function navigation_browserdetection(){
	var b=navigator.appName;
	if (b.indexOf('Netscape')!=-1) this.b="ns";
	else if ((b=="Opera") || (navigator.userAgent.indexOf("Opera")>0)) this.b = "opera";
	else if (b=="Microsoft Internet Explorer") this.b="ie";
	if (!b) alert('Unidentified browser.\nThis browser is not supported,');
	this.version=navigator.appVersion;
	this.v=parseInt(this.version);
	this.ns=(this.b=="ns" && this.v>=4);
	this.ns4=(this.b=="ns" && this.v==4);
	this.ns6=(this.b=="ns" && this.v==5);
	this.ns7=(this.b=="ns" && this.v>=6);
	this.ie=(this.b=="ie" && this.v>=4);
	this.ie4=(this.version.indexOf('MSIE 4')>0);
	this.ie5=(this.version.indexOf('MSIE 5')>0);
	this.ie55=(this.version.indexOf('MSIE 5.5')>0);
	this.ie6=(this.version.indexOf('MSIE 6.0')>0);
	this.opera=(this.b=="opera");
	this.dom=(document.getElementById);
}
//-->