//---The showFigure function pop opens the sample search page.
function popupWindow(type) {
		var FigurePopupWindow;
    	if (type == "sample") {
			url = "../utils/help/sample.html";
			urlOptions = "resizable=1,scrollbars=1,width=550,height=385";
		}
		else if (type == "sampleAdv") {
			url = "../utils/help/sampleAdv.html";
			urlOptions = "resizable=1,scrollbars=1,width=550,height=385";
		}
		else if (type == "releaseV1") {
			url = "../utils/guide/releaseV1.html";
			urlOptions = "resizable=1,scrollbars=1,width=550,height=330";
		}
		//---open the window.
		if (FigurePopupWindow == null) {
      FigurePopupWindow = window.open("", type, urlOptions)
		}
		//---now that the window has been opened, point the window to the right place.
    if (FigurePopupWindow != null) {  
      //redirect to the chossen url
      FigurePopupWindow.window.location.href = url;
      //pop the window into focus.
      FigurePopupWindow.focus();
   	}
}