function OpenWindow(sUrl, nWidth, nHeight, sSccrollbars, sResizable){
				
	var nBrowserWidth;
	var nBrowserHeight;
	var nWindowLeft;
	var nWindowTop;
	var sWindowSettings='';
	var oChildWindow;
	
	//Get window coordinates.	
	if (document.all || document.layers) {
	   nBrowserWidth = screen.availWidth;
	   nBrowserHeight = screen.availHeight;
	}
	nWindowLeft = (nBrowserWidth/2) - (nWidth/2);
	nWindowTop= (nBrowserHeight/2) - (nHeight/2);
	
	//Define window settings.
	sWindowSettings += 'width=' + nWidth + ',height=' + nHeight;
	sWindowSettings += ',left=' + nWindowLeft + ',top=' + nWindowTop;
	sWindowSettings += ',scrollbars=' + sSccrollbars + ',resizable=' + sResizable + ',toolbar=no,menubar=no,status=no,location=no,directories=no';
	
	//Open the window.
	oChildWindow = window.open(sUrl,'NewWin',sWindowSettings );
	oChildWindow.focus();
	
}