function openwin(url,x,y){
  win = window.open(url,"text",'"toolbar=yes,scrollbars=yes,width='+x+',height='+y+'"');
  win.focus();
}
function openwin2(url,name,x,y){
  win = window.open(url,name,'"toolbar=yes,scrollbars=yes,width='+x+',height='+y+',left=10,top=10"');
  win.focus();
}
function openwin20(url,name,x,y){
  win = window.open(url,name,'"toolbar=yes,scrollbars=yes,width='+x+',height='+y+',left=640,top=10"');
  win.focus();
}
function openwin21(url,name,x,y){
  win = window.open(url,name,'toolbar=yes,menubar=yes,scrollbars=yes,width='+x+',height='+y+',left=10,top=10');
  win.focus();
}
function openwin3(url,name,x,y){
  win = window.open(url,name,'"toolbar=no,scrollbars=yes,width='+x+',height='+y+'"');
  win.focus();
}
function openWinCenter(url,name,x,y){
	posx = (screen.width - x) / 2;
	posy = (screen.height - y) / 2;
	win = window.open(url,name,'"toolbar=no,scrollbars=no,width='+x+',height='+y+',left='+posx+',top='+posy+'"');
	//win.name = name;
	win.focus();
}
function openWinCenter2(url,name,x,y){
	posx = (screen.width - x) / 2;
	posy = (screen.height - y) / 2;
	win = window.open(url,name,'"toolbar=no,scrollbars=yes,width='+x+',height='+y+',left='+posx+',top='+posy+'"');
	//win.name = name;
	win.focus();
}