function openCenterWindow(theURL,winName,width,height) {
var h=height;
var w=width;
var scroll=0;
var resizable=1;
var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
var settings ='location=0,height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',toolbar=1,resizable='+resizable;
window.open(theURL,winName,settings);
}
function openCenterScrollWindow(theURL,winName,width,height) {
var h=height;
var w=width;
var scroll=1;
var resizable=1;
var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
var settings ='location=0,height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+', toolbar=1,resizable='+resizable;
window.open(theURL,winName,settings);
}