var win=null;

function NewWindow(mypage,myname,w,h,scroll,pos) {
	
	if(pos=="random") {
		LeftPosition=(screen.availWidth)?Math.floor(Math.random()*(screen.availWidth-w)):50;
		TopPosition=(screen.availHeight)?Math.floor(Math.random()*((screen.availHeight-h)-75)):50;
	}
	
	if(pos=="center") {
		LeftPosition=(screen.availWidth)?(screen.availWidth-w)/2:50;
		TopPosition=(screen.availHeight)?(screen.availHeight-h)/2:50;
	}
	
	if(pos=="default") {
		LeftPosition=50;
		TopPosition=50;
	}
	
	else if((pos!="center" && pos!="random" && pos!="default") || pos==null) {
		LeftPosition=0;TopPosition=20;
	}
	
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
	
	if(win.focus){
		win.focus();
	}
}

function CloseNewWin(){
	if(win!=null && win.open)win.close();
}

window.onfocus=CloseNewWin;