var newWindow;

function makeNewWindow(fileName) {
	
	if (!newWindow || newWindow.closed) {
		newWindow = window.open(fileName,"","resizable,height=450,width=460,scrollbars=yes");
		if (!newWindow.opener)
			newWindow.opener = window;
	}
	else {
		newWindow.focus(fileName);
	}
}

var newPop

//Opens a popup window with specified width and height
function makeNewWindowSize(fileName,winHgt,winWidth) {
	
	if (!newPop || newPop.closed){
	newPop = window.open(fileName,"","resizable,height="+winHgt+",width="+winWidth+",scrollbars=yes")
	if (!newPop.opener){
		newPop.opener = window
	}

 	}else {

	newPop.focus(fileName)	
	}
}