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/*
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javascript for Bubble Tooltips by Alessandro Fulciniti
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- http://pro.html.it - http://web-graphics.com
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obtained from: http://web-graphics.com/mtarchive/001717.php
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phpBB Development Team:
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- modified to adhere to our coding guidelines
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- integration into our design
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- added ability to perform tooltips on select elements
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- further adjustements
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*/
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var head_text, tooltip_mode;
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/**
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* Enable tooltip replacements for links
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*/
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function enable_tooltips_link(id, headline, sub_id)
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{
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var links, i, hold;
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head_text = headline;
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if (!document.getElementById || !document.getElementsByTagName)
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{
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return;
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}
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hold = document.createElement('span');
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hold.id = '_tooltip_container';
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hold.setAttribute('id', '_tooltip_container');
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hold.style.position = 'absolute';
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document.getElementsByTagName('body')[0].appendChild(hold);
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if (id == null)
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{
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links = document.getElementsByTagName('a');
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}
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else
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{
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links = document.getElementById(id).getElementsByTagName('a');
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}
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for (i = 0; i < links.length; i++)
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{
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if (sub_id)
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{
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if (links[i].id.substr(0, sub_id.length) == sub_id)
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{
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prepare(links[i]);
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}
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}
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else
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{
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prepare(links[i]);
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}
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}
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tooltip_mode = 'link';
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}
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/**
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* Enable tooltip replacements for selects
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*/
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function enable_tooltips_select(id, headline, sub_id)
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{
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var links, i, hold;
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head_text = headline;
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if (!document.getElementById || !document.getElementsByTagName)
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{
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return;
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}
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hold = document.createElement('span');
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hold.id = '_tooltip_container';
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hold.setAttribute('id', '_tooltip_container');
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hold.style.position = 'absolute';
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document.getElementsByTagName('body')[0].appendChild(hold);
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if (id == null)
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{
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links = document.getElementsByTagName('option');
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}
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else
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{
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links = document.getElementById(id).getElementsByTagName('option');
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}
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for (i = 0; i < links.length; i++)
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{
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if (sub_id)
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{
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if (links[i].parentNode.id.substr(0, sub_id.length) == sub_id)
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{
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prepare(links[i]);
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}
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}
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else
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{
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prepare(links[i]);
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}
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}
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tooltip_mode = 'select';
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}
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/**
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* Prepare elements to replace
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*/
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function prepare(element)
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{
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var tooltip, text, desc, title;
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text = element.getAttribute('title');
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if (text == null || text.length == 0)
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{
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return;
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}
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element.removeAttribute('title');
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tooltip = create_element('span', 'tooltip');
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title = create_element('span', 'top');
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title.appendChild(document.createTextNode(head_text));
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tooltip.appendChild(title);
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desc = create_element('span', 'bottom');
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desc.innerHTML = text;
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tooltip.appendChild(desc);
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set_opacity(tooltip);
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element.tooltip = tooltip;
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element.onmouseover = show_tooltip;
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element.onmouseout = hide_tooltip;
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if (tooltip_mode == 'link')
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{
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element.onmousemove = locate;
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}
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}
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/**
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* Show tooltip
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*/
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function show_tooltip(e)
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{
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document.getElementById('_tooltip_container').appendChild(this.tooltip);
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locate(this);
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}
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/**
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* Hide tooltip
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*/
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function hide_tooltip(e)
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{
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var d = document.getElementById('_tooltip_container');
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if (d.childNodes.length > 0)
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{
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d.removeChild(d.firstChild);
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}
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}
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/**
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* Set opacity on tooltip element
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*/
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function set_opacity(element)
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{
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element.style.filter = 'alpha(opacity:95)';
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element.style.KHTMLOpacity = '0.95';
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element.style.MozOpacity = '0.95';
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element.style.opacity = '0.95';
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}
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/**
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* Create new element
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*/
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function create_element(tag, c)
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{
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var x = document.createElement(tag);
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x.className = c;
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x.style.display = 'block';
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return x;
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}
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/**
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* Correct positioning of tooltip container
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*/
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function locate(e)
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{
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var posx = 0;
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var posy = 0;
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e = e.parentNode;
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if (e.offsetParent)
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{
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for (var posx = 0, posy = 0; e.offsetParent; e = e.offsetParent)
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{
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posx += e.offsetLeft;
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posy += e.offsetTop;
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}
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}
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else
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{
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posx = e.offsetLeft;
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posy = e.offsetTop;
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}
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if (tooltip_mode == 'link')
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{
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document.getElementById('_tooltip_container').style.top=(posy+20) + 'px';
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document.getElementById('_tooltip_container').style.left=(posx-20) + 'px';
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}
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else
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{
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document.getElementById('_tooltip_container').style.top=(posy+30) + 'px';
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document.getElementById('_tooltip_container').style.left=(posx-205) + 'px';
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}
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/*
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if (e == null)
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{
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e = window.event;
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}
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if (e.pageX || e.pageY)
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{
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posx = e.pageX;
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posy = e.pageY;
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}
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else if (e.clientX || e.clientY)
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{
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if (document.documentElement.scrollTop)
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{
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posx = e.clientX+document.documentElement.scrollLeft;
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posy = e.clientY+document.documentElement.scrollTop;
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}
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else
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{
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posx = e.clientX+document.body.scrollLeft;
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posy = e.clientY+document.body.scrollTop;
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}
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}
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*/
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}
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