self.name = "mainpage";
var win = null;
function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings =
	'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	win = window.open(mypage,myname,settings)
}

function ShowHide(id) {
	obj = document.getElementsByTagName("div");
	if (obj[id].style.display == 'block'){
	obj[id].style.display = 'none';
	}
	else {
	obj[id].style.display = 'block';
	}
}

function PopWin(url,h,w) { 
 popupWin = window.open(url, 'popup', 'height=' + h + ',width=' + w + ',top=75,left=100') 
}

function PopWin2(url,h,w) { 
 popupWin = window.open(url, 'popup', 'menubar,scrollbars,height=' + h + ',width=' + w + ',top=50,left=50') 
}