function callPopUp(sPageToOpen, sWindowName, bScrollbars, bResizable, iWidth, iHeight, iTop, iLeft) {  
  var sOptions ='width='+iWidth
		+ ','
		+ 'height='+iHeight
		+ ','
		+ 'scrollbars='+bScrollbars
		+ ','
		+ 'resizable='+bResizable
		+ ',' 
		+ 'top='+iTop 
		+ ','
		+ 'left='+iLeft;  
		             
  var oWindow = window.open(sPageToOpen, sWindowName, sOptions);
  oWindow.focus();
}