function newWindow(url,sw,sh) {
    var v=parseInt(navigator.appVersion);
    isNetscape=navigator.appName.indexOf('Netscape')>=0;
    isExplorer=navigator.appName.indexOf('Explorer')>=0;
    positionCode='';

	w  = screen.availWidth/2-sw/2;
	h  = screen.availHeight/2-sh/2;

	if(isExplorer) {
		positionCode=',left='+w+',top='+h;
	}
	if(isNetscape) {
		positionCode=',screenX='+w+',screenY='+h;
	}
	positionCode+=',scrollbars=no, resizable=yes'

	newWin=window.open('','a','width='+sw+',height='+sh+''+positionCode);
	newWin.document.location=url;
	newWin.focus();
}
function newWindowScroll(url,sw,sh) {
    var v=parseInt(navigator.appVersion);
    isNetscape=navigator.appName.indexOf('Netscape')>=0;
    isExplorer=navigator.appName.indexOf('Explorer')>=0;
    positionCode='';

	w  = screen.availWidth/2-sw/2;
	h  = screen.availHeight/2-sh/2;

	if(isExplorer) {
		positionCode=',left='+w+',top='+h;
	}
	if(isNetscape) {
		positionCode=',screenX='+w+',screenY='+h;
	}
	positionCode+=',scrollbars=yes, resizable=yes'

	newWin=window.open('','a','width='+sw+',height='+sh+','+positionCode);
	newWin.document.location=url;
	newWin.focus();
}