/*
Filename    : main.js

Purpose     : Defines several global used routines

Created     : 19.08.2001
Last Update : 

Changes     :

*/

function Is() {
	var agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);
	this.ns = ((agent.indexOf('mozilla') != -1) && (agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1) && (agent.indexOf('opera') == -1) && (agent.indexOf('webtv') == -1));
	this.ns2 = (this.ns && (this.major == 2));
	this.ns3 = (this.ns && (this.major == 3));
	this.ns4 = (this.ns && (this.major == 4));
	this.ns6 = (this.ns && (this.major >= 5));
	this.ie = (agent.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.major < 4));
	this.ie4 = (this.ie && (this.major >= 4));
	this.ie5 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.0") != -1));
	this.ieX = (this.ie && !this.ie3 && !this.ie4);
}

var is = new Is();

function layerObject(id, position, left, top, visibility) {
	if (is.ie5||is.ns6) {
		this.obj = document.getElementById(id).style;
		this.obj.position = position;
		this.obj.left = left;
		this.obj.top = top;
		this.obj.visibility = visibility;
		return this.obj;
	} else if(is.ie4) {
		this.obj = document.all[id].style;
		this.obj.position = position;
		this.obj.left = left;
		this.obj.top = top;
		this.obj.visibility = visibility;
		return this.obj;
	} else if(is.ns4) {
		this.obj = document.layers[id];
		this.obj.position = position;
		this.obj.left = left;
		this.obj.top = top;
		this.obj.visibility = visibility;
		return this.obj;
	} 
}

function getObjectStyle(id) {
	if (is.ie5||is.ns6) {
		this.obj = document.getElementById(id).style;
		return this.obj;
	} else if(is.ie4) {
		this.obj = document.all[id].style;
		return this.obj;
	} else if(is.ns4) {
		this.obj = document.layers[id];
		return this.obj;
	}
}

function setPointer(theRow, newStyle) {
	theRow.className = 'newStyle';

    return true;
} // end of the 'setPointer()' function