var isDOM = (document.getElementById)? true : false;
var uAgent = navigator.userAgent.toLowerCase();
var isIE = (window.showHelp) ? true : false;
var isOpera = (window.opera || uAgent.indexOf('opera') > - 1) ? true : false;
var isMac = (uAgent.indexOf( "mac" ) > -1) ? true : false;
var isSafari = (uAgent.indexOf("safari") > - 1) ? true : false;
var isMozilla = (uAgent.indexOf( "gecko" ) > -1 && !isSafari && !isOpera) ? true : false;
var MozVer = ( isMozilla ) ? parseFloat( uAgent.substring( uAgent.indexOf( "rv:" ) + 3, uAgent.indexOf( "rv:" ) + 7 ) ) : 0;
var scrWidth = screen.availWidth;
var scrHeight = screen.availHeight;
var newwin;
function openWnd(theURL) {
var additional_appearance = "status=yes,resizable=1,scrollbars=yes,menubar=no,toolbar=no,location=no";
if (openWnd.arguments[5] && (openWnd.arguments[5] != "")){
additional_appearance = openWnd.arguments[5];
}
var width = (openWnd.arguments[1]) ? openWnd.arguments[1] : 500;
var height = (openWnd.arguments[2]) ? openWnd.arguments[2] : 300;
var type = (openWnd.arguments[3] == 'image') ? true : false;
var wtitle = (openWnd.arguments[4]) ? openWnd.arguments[4] : 'Preview';
var left = Math.round((scrWidth-width)/2);
var top = Math.round((scrHeight-height)/2)-35;
var kw = (isIE) ? 20 : 0;
additional_appearance += ",width="+(width+kw);
additional_appearance += ",height="+height;
additional_appearance += ",top="+top;
additional_appearance += ",left="+left;
winname = 'pwindow';
if ( newwin && !newwin.closed ){
newwin.location.href = theURL;
newwin.resizeTo(width,height);
newwin.resizeBy(width-newwin.document.body.clientWidth,height-newwin.document.body.clientHeight);
}else{
newwin = window.open(theURL,winname,additional_appearance);
}
if ( type ){
output = ''+wtitle+'
';
newwin.document.open();
newwin.document.write(output);
newwin.document.close();
}
newwin.focus();
return newwin;
}