function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	var settings  ='height='+h+',';
    	  settings +='width='+w+',';
	      settings +='top='+TopPosition+',';
    	  settings +='left='+LeftPosition+',';
	      settings +='scrollbars='+scroll+',';
    	  settings +='toolbar=yes, ';
	      settings +='resizable=yes';
	win = window.open(mypage,'myname',settings)
}