function openPopUp(lnk,w,h,scroll)
{
	if(scroll == undefined) {
		scroll = false;
	}
	
	w = w;
	h = h;
	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
    window.open(lnk,"_blank",settings);
}

function openPopUpR(lnk,w,h)
{
	if(scroll == undefined) {
		scroll = false;
	}
	
	w = w;
	h = h;
	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 + ',resizable=yes'
    window.open(lnk,"_blank",settings);
}