VML绘图板②脚本--VMLgraph.js、XMLtool.js

    node.appendChild(subobjField);
  }
  canvas.documentElement.childNodes[0].appendChild(node);
}

function mouse_down() {
  drawKey = true;
  dx = xo;
  dy = yo;
  itemID++;
  if(ToolBarNum != 7) ShapeItemNum = 0;
  switch(ToolBarNum) {
    case 3:
      var objField = canvas.createElement("v:line");
      objField.setAttribute("from") = xo+","+yo;
      objField.setAttribute("to") = xo+","+yo;
      return setElement(objField);
    case 4:
      if(CurveItemNum == 0) {
        CurveItemNum = 1;
        var objField = canvas.createElement("v:curve");
        objField.setAttribute("from") = xo+","+yo;
        objField.setAttribute("to") = xo+","+yo;
        objField.setAttribute("control1") = xo+","+yo;
        objField.setAttribute("control2") = xo+","+yo;
        var subobjField = canvas.createElement("v:fill");
        subobjField.setAttribute("opacity") = 0;
        objField.appendChild(subobjField);
        return setElement(objField);
      }
      return;
    case 9:
      var objField = canvas.createElement("v:polyline");
      objField.setAttribute("points") = xo+","+yo+" "+xo+","+yo;
      var subobjField = canvas.createElement("v:fill");
      subobjField.setAttribute("opacity") = 0;
      objField.appendChild(subobjField);
      return setElement(objField);
    case 7:
      if(ShapeItemNum == 0) {
        var objField = canvas.createElement("v:shape");
        objField.setAttribute("style") = "width:500; height:309";
        objField.setAttribute("path") = "m "+xo+","+yo+" l "+xo+","+yo;
        ShapeItemX = xo;
        ShapeItemY = yo;
      }else {
        objField = canvas.documentElement.childNodes[0].lastChild;
        objField.setAttribute("path") = objField.getAttribute("path") + " "+xo+","+yo;