_d=document;
_n=navigator;
_L=location;
_nv=_n.appVersion.toLowerCase();
_nu=_n.userAgent.toLowerCase();
_ps=parseInt(_n.productSub);
_f=false;
_t=true;
_n=null;
_W=window;
_wp=_W.createPopup;
ie=(_d.all)?_t:_f;
ie4=(!_d.getElementById&&ie)?_t:_f;
ie5=(!ie4&&ie&&!_wp)?_t:_f;
ie55=(!ie4&&ie&&_wp)?_t:_f;
ns6=(_nu.indexOf("gecko")!=-1)?_t:_f;
konq=(_nu.indexOf("konqueror")!=-1)?_t:_f;
sfri=(_nu.indexOf("safari")!=-1)?_t:_f;
if(konq||sfri){_ps=0;ns6=0}
ns4=(_d.layers)?_t:_f;
ns61=(_ps>=20010726)?_t:_f;
ns7=(_ps>=20020823)?_t:_f;
op=(_W.opera)?_t:_f;op=_f; // by PHP
if(op||konq)ie=0;
op5=(_nu.indexOf("opera 5")!=-1)?_t:_f;op6=(_nu.indexOf("opera 6")!=-1||_nu.indexOf("opera/6")!=-1)?_t:_f;op7=(_nu.indexOf("opera 7")!=-1||_nu.indexOf("opera/7")!=-1)?_t:_f;mac=(_nv.indexOf("mac")!=-1)?_t:_f;
mac45=(_nv.indexOf("msie 4.5")!=-1)?_t:_f;
if(ns6||ns4||op||sfri)mac=_f;
ns60=_f;
if(ns6&&!ns61)ns60=_t;
if(op7)op=_f;
IEDtD=0;
if(!op&&(_d.all&&_d.compatMode=="CSS1Compat")||(mac&&_d.doctype&&_d.doctype.name.indexOf(".dtd")!=-1))IEDtD=1;
if(op) {
	ie55=_f;
	ie5=_f;
}

var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0;

function DHTML_init() {
	if (window.opera) {
		OP = 1;
	}
	if(document.getElementById) {
		DHTML = 1;
		DOM = 1;
	}
	if(document.all && !OP) {
		DHTML = 1;
		MS = 1;
	}
	if (window.netscape && window.screen && !DOM && !OP) {
		DHTML = 1;
		NS = 1;
	}
}

function getElem(p1,p2,p3) {
	var Elem;
	if(DOM) {
		if(p1.toLowerCase()=="id") {
			if (typeof document.getElementById(p2) == "object")
				Elem = document.getElementById(p2);
			else Elem = void(0);
		return(Elem);
		}
		else if(p1.toLowerCase()=="name") {
			if (typeof document.getElementsByName(p2) == "object")
				Elem = document.getElementsByName(p2)[p3];
			else Elem = void(0);
				return(Elem);
		}
		else if(p1.toLowerCase()=="tagname") {
			if (typeof document.getElementsByTagName(p2) == "object" || (OP && typeof document.getElementsByTagName(p2) == "function"))
				
				Elem = document.getElementsByTagName(p2)[p3];
			else Elem = void(0);
			return(Elem);
		}
	else return void(0);
	}
	else if(MS) {
		if(p1.toLowerCase()=="id") {
			if (typeof document.all[p2] == "object")
				Elem = document.all[p2];
			else Elem = void(0);
			return(Elem);
		}
		else if(p1.toLowerCase()=="tagname") {
			if (typeof document.all.tags(p2) == "object")
				Elem = document.all.tags(p2)[p3];
			else Elem = void(0);
			return(Elem);
		}
		else if(p1.toLowerCase()=="name") {
			if (typeof document[p2] == "object")
				Elem = document[p2];
			else Elem = void(0);
			return(Elem);
		}
		else return void(0);
	}
	else if(NS) {
		if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
		if (typeof document[p2] == "object")
			Elem = document[p2];
			else Elem = void(0);
			return(Elem);
		}
		else if(p1.toLowerCase()=="index") {
			if (typeof document.layers[p2] == "object")
				Elem = document.layers[p2];
			else Elem = void(0);
			return(Elem);
			}
		else return void(0);
	}
}

function getCont(p1,p2,p3) {
	var Cont;
	if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
		if(getElem(p1,p2,p3).firstChild.nodeType == 3)
			Cont = getElem(p1,p2,p3).firstChild.nodeValue;
		else
			Cont = "";
		return(Cont);
	}
	else if(MS && getElem(p1,p2,p3)) {
		Cont = getElem(p1,p2,p3).innerText;
		return(Cont);
	}
	else return void(0);
}

function setCont(p1,p2,p3,p4) {
	if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
		getElem(p1,p2,p3).firstChild.nodeValue = p4;
	else if(MS && getElem(p1,p2,p3))
		getElem(p1,p2,p3).innerText = p4;
	else if(NS && getElem(p1,p2,p3)) {
		getElem(p1,p2,p3).document.open();
		getElem(p1,p2,p3).document.write(p4);
  	getElem(p1,p2,p3).document.close();
	}
}

DHTML_init();

function change(element_id)
{
	if (getElem("id", element_id, null).style.visibility == "hidden") {
		getElem("id", element_id, null).style.visibility = "visible";
		getElem("id", element_id, null).style.position = "static";
	}
	else {
		getElem("id", element_id, null).style.visibility = "hidden";
		getElem("id", element_id, null).style.position = "absolute";
		getElem("id", element_id, null).style.left = "0px";
	}
}