var PicWin = "undefined";

function ShowPic(WUrl, WSize) {
  if (PicWin == "undefined" || PicWin.closed == true) {
    switch (WSize) {
    	case "1":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=640,height=442");
      	break;
    	case "2":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=604,height=444");
      	break;
    	case "3":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=374,height=444");
      	break;
    	case "4":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=606,height=444");
      	break;
    	case "5":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=640,height=394");
      	break;
    	case "6":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=592,height=442");
      	break;
    	case "7":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=369,height=445");
      	break;
    	case "8":
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=595,height=444");
      	break;
    	default:
      	PicWin = window.open(WUrl, "Pic_Win", "noresizable,noscrollbars,width=640,height=394");
      	break;
    }
  }
  else {
    switch (WSize) {
    	case "1":
      	PicWin.resizeTo(640,442);
      	break;
    	case "2":
      	PicWin.resizeTo(604,444);
      	break;
    	case "3":
      	PicWin.resizeTo(374,444);
      	break;
    	case "4":
      	PicWin.resizeTo(606,444);
      	break;
    	case "5":
      	PicWin.resizeTo(640,394);
      	break;
    	case "6":
      	PicWin.resizeTo(592,442);
      	break;
    	case "7":
      	PicWin.resizeTo(369,445);
      	break;
    	case "8":
      	PicWin.resizeTo(595,444);
      	break;
    	default:
      	PicWin.resizeTo(640,394);
      	break;
    }
    PicWin.location.href=WUrl;
    PicWin.focus();
  }
}