javascript 常用代码大全(8)

// Move Window
var drag_x,drag_y,draging=false

function drag_move(e){
if (draging){
New_CW.show(e.screenX-drag_x, e.screenY-drag_y, CW_width, CW_height);
return false;
}
}

function drag_down(e){
if(e.button==2)return;
if(New_CW.document.body.offsetWidth==screen.width && New_CW.document.body.offsetHeight==screen.height)return;
drag_x=e.clientX;
drag_y=e.clientY;
draging=true;
e.srcElement.setCapture();
}

function drag_up(e){
draging=false;
e.srcElement.releaseCapture();
if(New_CW.document.body.offsetWidth==screen.width && New_CW.document.body.offsetHeight==screen.height) return;
CW_top = e.screenX-drag_x;
CW_left = e.screenY-drag_y;
}

</SCRIPT>
</HTML>

贴两个关于treeview的
<script language="javascript">
<!--
//初始化选中节点
function initchecknode()
{
var node=TreeView1.getTreeNode("1");
node.setAttribute("Checked","true");
setcheck(node,"true");
FindCheckedFromNode(TreeView1);
}
//oncheck事件
function tree_oncheck(tree)
{
var node=tree.getTreeNode(tree.clickedNodeIndex);
var Pchecked=tree.getTreeNode(tree.clickedNodeIndex).getAttribute("checked");
setcheck(node,Pchecked);
document.all.checked.value="";
document.all.unchecked.value="";
FindCheckedFromNode(TreeView1);
}
//设置子节点选中
function setcheck(node,Pc)
{
var i;
var ChildNode=new Array();
ChildNode=node.getChildren();

if(parseInt(ChildNode.length)==0)
return;
else
{
for(i=0;i<ChildNode.length;i )
{
var cNode;
cNode=ChildNode[i];
if(parseInt(cNode.getChildren().length)!=0)
setcheck(cNode,Pc);
cNode.setAttribute("Checked",Pc);
}
}
}
//获取所有节点状态
function FindCheckedFromNode(node) {
var i = 0;
var nodes = new Array();
nodes = node.getChildren();

for (i = 0; i < nodes.length; i ) {
var cNode;
cNode=nodes[i];
if (cNode.getAttribute("Checked"))
AddChecked(cNode);
else
AddUnChecked(cNode);

if (parseInt(cNode.getChildren().length) != 0 ) {
FindCheckedFromNode(cNode);
}
}
}
//添加选中节点
function AddChecked(node) {
document.all.checked.value = node.getAttribute("NodeData");
document.all.checked.value = ',';
}
//添加未选中节点
function AddUnChecked(node) {
document.all.unchecked.value = node.getAttribute("NodeData");
document.all.unchecked.value = ',';
}
//-->
</script>

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