var win_Act = false;
var win_CurrWin = -1;
var win_CurrX = 0;
var win_CurrY = 0;

var WinArr = new Array();

//*********************************************************************************
//
function reg_exp(expr, s, rs){
	return s.replace(expr, rs);
}
//*********************************************************************************
//
function win_init(obj){
	this.doc = (ie) ? document.all : (ns)? document:document;
	this.win = (ie) ? eval("document.all." +obj)           : ((mo)? document.getElementById(obj) : eval("document." +obj));
	this.id  = (ie) ? eval("document.all." +obj+ ".id")    : ((mo)? document.getElementById(obj).id : eval("document." +obj));
	this.css = (ie) ? eval("document.all." +obj+ ".style") : ((mo)? document.getElementById(obj).style : eval("document." +obj));
	
	this.moveit = win_moveit;
}
//*********************************************************************************
//
function SetzIndex(obj, e){
	if (!(ie||mo)) return;
	for (i=0; i < WinArr.length; i++) {
		WinArr[i].css.zIndex=0; 
	}
	obj.style.zIndex=5;
}

//*********************************************************************************
//
function win_moveit(x, y){
	(ie) ? this.css.pixelLeft = x - win_CurrX : this.css.left = x - win_CurrX;
	(ie) ? this.css.pixelTop  = y - win_CurrY : this.css.top  = y - win_CurrY;
}
//*********************************************************************************
//
function win_OnMouseMove(e){ 
	if (e==null) e = window.event;
	if (win_Act) {
		x = (ie) ? e.x : e.pageX; 
		y = (ie) ? e.y : e.pageY;
		WinArr[win_CurrWin].moveit(x, y); 
	
		if (ie) {
			e.cancelBubble = true; 
			e.returnValue = false;
		}
	}
}

//*********************************************************************************
//
function win_OnMouseDown(e, num){
	if (win_CurrWin == -1) {
		win_Act = true;
		win_CurrWin   = num;
		SetzIndex(WinArr[num].win, e);
	}
	else return;
	//window.status = e.y;
	win_CurrX =  (ie) ? e.x - WinArr[num].css.pixelLeft : (e.pageX - reg_exp(/px|pt/i, WinArr[num].css.left, "")); 
	win_CurrY =  (ie) ? e.y - WinArr[num].css.pixelTop  : (e.pageY - reg_exp(/px|pt/i, WinArr[num].css.top, ""));
	
	if (ie) {
		e.cancelBubble = true; 
		e.returnValue = false;
	}
	else {
		e.stopPropagation();
		e.preventDefault();
	}	
}

//*********************************************************************************
//
function win_OnMouseUp(e){
	if (win_Act) {
		win_CurrX = 0; 
		win_CurrY = 0;
		win_CurrWin  = -1;
		win_Act = false;
	}
}

//*********************************************************************************
//
function ShowWin(id, mode){
	if (!(ie||mo)) return;
	
	posX = -900;
	posY = 0;
	
	if (mode==1){
	
		scrollTop = document.body.scrollTop;
		scrollLeft = document.body.scrollLeft;
	
		offsetWidth  = (ie) ? document.body.offsetWidth  : window.innerWidth;
		offsetHeight = (ie) ? document.body.offsetHeight : window.innerHeight;
	
		posX = scrollLeft + Math.round(offsetWidth/4);
		posY = scrollTop + Math.round(offsetHeight/4);
		
	}
	
	if (ie){
		document.all(id).style.pixelLeft = posX;
		document.all(id).style.pixelTop  = posY;
		document.all(id).style.zIndex = 5;
	}
	else {
		document.getElementById(id).style.left = posX;
		document.getElementById(id).style.top  = posY;
		document.getElementById(id).style.zIndex = 5;
	}
}