//整理：代码吾爱www.code52.net
var popup_dragging = false;
var popup_target;
var popup_mouseX;
var popup_mouseY;
var popup_mouseposX;
var popup_mouseposY;
var popup_oldfunction;
function popup_display(x)
{
var win = window.open();
for (var i in x) win.document.write(i+' = '+x[i]+'<br>');
}
// ----- popup_mousedown -------------------------------------------------------
function popup_mousedown(e)
{
var ie = navigator.appName == "Microsoft Internet Explorer";
if ( ie && window.event.button != 1) return;
if (!ie && e.button != 0) return;
popup_dragging = true;
popup_target = this['target'];
popup_mouseX = ie ? window.event.clientX : e.clientX;
popup_mouseY = ie ? window.event.clientY : e.clientY;
if (ie)
popup_oldfunction = document.onselectstart;
else popup_oldfunction = document.onmousedown;
if (ie)
document.onselectstart = new Function("return false;");
else document.onmousedown = new Function("return false;");
}
// ----- popup_mousemove -------------------------------------------------------
function popup_mousemove(e)
{
if (!popup_dragging) return;
var ie = navigator.appName == "Microsoft Internet Explorer";
var element = document.getElementById(popup_target);
var mouseX = ie ? window.event.clientX : e.clientX;
var mouseY = ie ? window.event.clientY : e.clientY;
//在此修改弹出框相对于浏览器内容器顶部和左边的距离，单位像素---开始
element.style.left = (element.offsetLeft+mouseX-popup_mouseX)+'px';
element.style.top = (element.offsetTop +mouseY-popup_mouseY)+'px';
//在此修改弹出框相对于浏览器内容器顶部和左边的距离，单位像素---结束
popup_mouseX = ie ? window.event.clientX : e.clientX;
popup_mouseY = ie ? window.event.clientY : e.clientY;
}
// ----- popup_mouseup ---------------------------------------------------------
function popup_mouseup(e)
{
if (!popup_dragging) return;
popup_dragging = false;
var ie = navigator.appName == "Microsoft Internet Explorer";
var element = document.getElementById(popup_target);
if (ie)
document.onselectstart = popup_oldfunction;
else document.onmousedown = popup_oldfunction;
}
// ----- popup_exit ------------------------------------------------------------
function popup_exit(e)
{
var ie = navigator.appName == "Microsoft Internet Explorer";
var element = document.getElementById(popup_target);
popup_mouseup(e);
element.style.visibility = 'hidden';
element.style.display = 'none';
}
// ----- popup_show ------------------------------------------------------------
function popup_show(id)
{
element = document.getElementById('popup'+id);
drag_element = document.getElementById('popup_drag'+id);
exit_element = document.getElementById('popup_exit'+id);
element.style.position = "absolute";
element.style.visibility = "visible";
element.style.display = "block";
element.style.left = (document.documentElement.scrollLeft+popup_mouseposX-10)+'px';
element.style.top = (document.documentElement.scrollTop +popup_mouseposY-10)+'px';
drag_element['target'] = 'popup'+id;
drag_element.onmousedown = popup_mousedown;
exit_element.onclick = popup_exit;
}
// ----- popup_mousepos --------------------------------------------------------
function popup_mousepos(e)
{
var ie = navigator.appName == "Microsoft Internet Explorer";
popup_mouseposX = ie ? window.event.clientX : e.clientX;
popup_mouseposY = ie ? window.event.clientY : e.clientY;
}
// ----- Attach Events ---------------------------------------------------------
if (navigator.appName == "Microsoft Internet Explorer")
document.attachEvent('onmousedown', popup_mousepos);
else document.addEventListener('mousedown', popup_mousepos, false);
if (navigator.appName == "Microsoft Internet Explorer")
document.attachEvent('onmousemove', popup_mousemove);
else document.addEventListener('mousemove', popup_mousemove, false);
if (navigator.appName == "Microsoft Internet Explorer")
document.attachEvent('onmouseup', popup_mouseup);
else document.addEventListener('mouseup', popup_mouseup, false);