var DOM = (document.getElementById) ? true : false;
var IE  = (document.all) ? true : false;
var NS4 = (document.layers) ? true : false;

var helpwindow;     var childwindow;    var calendarwindow; 
var tmpPopup;				
var bDontCloseChildren = 0;
var bCloseOnFocus = 0;
var sWindowOnUnload = '';
var sWindowOnResize = '';

function getValueFromParamList(sParamList, sParamName, sSeparator)
{
	if (sSeparator == null) sSeparator = ',';
	iPos_Start = sParamList.indexOf(sParamName + '=');
	if (iPos_Start != -1) {
		iPos_End = sParamList.indexOf(sSeparator, iPos_Start);
		if (iPos_End == -1) iPos_End = sParamList.length;
		return sParamList.substring(iPos_Start + sParamName.length + 1, iPos_End);
	} else {
		return -1;
	}
}

function windowOpen(sUrl, sName, sOptions, bDontAutoClose, bDontFocus)
{
	iRequestedWidth =  parseInt(getValueFromParamList(sOptions, 'width'));
	iRequestedHeight = parseInt(getValueFromParamList(sOptions, 'height'));
	iRequestedLeft =   parseInt(getValueFromParamList(sOptions, 'left'));
	iRequestedTop =    parseInt(getValueFromParamList(sOptions, 'top'));

	// adjust values if nessecairy
	if (!isNaN(iRequestedWidth))  iPopupWidth =  Math.min(iRequestedWidth, screen.availWidth);
	if (!isNaN(iRequestedHeight)) iPopupHeight = Math.min(iRequestedHeight, screen.availHeight);
	if (!isNaN(iRequestedLeft))   iPopupLeft =   Math.min(iRequestedLeft, screen.availWidth - iPopupWidth);
	if (!isNaN(iRequestedTop))    iPopupTop =    Math.min(iRequestedTop, screen.availHeight - iPopupHeight);

	// set the new values for width, height, etc. if changed
	if (!isNaN(iRequestedWidth) && iRequestedWidth != iPopupWidth)
		sOptions = setValueInParamList(sOptions, 'width', iPopupWidth);
	if (!isNaN(iRequestedHeight) && iRequestedHeight != iPopupHeight)
		sOptions = setValueInParamList(sOptions, 'height', iPopupHeight);
	if (!isNaN(iRequestedLeft) && iRequestedLeft != iPopupLeft)
		sOptions = setValueInParamList(sOptions, 'left', iPopupLeft);
	if (!isNaN(iRequestedTop) && iRequestedTop != iPopupTop)
		sOptions = setValueInParamList(sOptions, 'top', iPopupTop);

  tmpPopup = window.open(sUrl, sName, sOptions);
  if (!bDontFocus)
    setTimeout("try{tmpPopup.focus();} catch(e) {}", 10);
  else
    setTimeout("try{this.focus();} catch(e) {}", 10);
  if(!bDontAutoClose) {
		try {
	    if(typeof(sName) != 'undefined' && sName != '' && window.name != tmpPopup.name) 	      childwindow = tmpPopup;
    } catch (e) {
			childwindow = tmpPopup;
		}
  }
  return tmpPopup;
}

function parentFocus()
{
    try {
      window.opener.focus();
    } catch(e) {}
}

function windowClose()
{
  parentFocus();
  window.close();
}

function eventWindowOnUnload()
{
	if(!bDontCloseChildren)
	{
	  try { childwindow.close();		} catch(e) {}
	  try { calendarwindow.close();	} catch(e) {}
	}
  eval(sWindowOnUnload);
}

function eventWindowOnFocus()
{
  if(bCloseOnFocus)
    window.close();
}

function eventWindowOnResize()
{
  eval(sWindowOnResize);
}

function windowPrint()
{
  window.print();
}

function eventWindowOnBeforePrint()
{
  try {
    document.getElementById('divPreviewHeader').style.display = 'none';
  } catch(e) {}
  try {
    document.getElementById('tableDebugPV').style.display = 'none';
  } catch(e) {}
}

function eventWindowOnAfterPrint()
{
  try {
    document.getElementById('divPreviewHeader').style.display = 'inline';
  } catch(e) {}
  try {
    document.getElementById('tableDebugPV').style.display = 'inline';
  } catch(e) {}
}
function EscapeQuote(sText)
{
	re = /'/g;
	return sText.replace(re, "\\'");
}
function AddSlashes(sText)
{
	re = /(['\\])/g;
	return sText.replace(re, "\\$1");
}

function Html2Asc(sText)
{
	re = /&/g;
	return sText.replace(re, "\&");
}