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g=this.getSelection(),a=null;if(b&&(Browser.Engine.trident||Browser.Engine.webkit)){var d=this.doc.createElement("span");f.parentNode.insertBefore(d,f);d.appendChild(f);d.innerHTML="&nbsp;"+d.innerHTML+"&nbsp;";f=d}if(Browser.Engine.trident){try{a=this.body.createTextRange();a.moveToElementText(f);a.select()}catch(h){}}else{if(Browser.Engine.webkit){g.setBaseAndExtent(f,0,f,f.innerText.length)}else{if(Browser.Engine.presto){g=this.window.getSelection();a=this.doc.createRange();a.selectNode(f);g.removeAllRanges();g.addRange(a)}else{a=this.doc.createRange();if(b){a.selectNode(f)}else{a.selectNodeContents(f)}g.removeAllRanges();g.addRange(a)}}}return g},hasSelection:function(){var d=this.getSelection();var a=this.getRange();var b=false;if(!d||!a){return b}if(Browser.Engine.trident||Browser.Engine.presto){if(a.text){b=true}if(a.html){b=true}}else{if(Browser.Engine.webkit){if(d+""!==""){b=true}}else{if(d&&(d.toString()!=="")&&(d!==undefined)){b=true}}}return 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f=this.doc,a=null,b=null,g=null;if(Browser.Engine.trident){this.currentEvent=this.IF.contentWindow.event;a=this.getRange();if(a){g=a.item?a.item(0):a.parentElement();if(g==f.body){g=null}}if((this.currentEvent!==null)&&(this.currentEvent.keyCode===0)){g=this.currentEvent.target}}else{b=this.getSelection();a=this.getRange();if(!b||!a){return null}if(!this.hasSelection()){if(b.anchorNode&&(b.anchorNode.nodeType==3)){if(b.anchorNode.parentNode){g=b.anchorNode.parentNode}if(b.anchorNode.nextSibling!=b.focusNode.nextSibling){g=b.anchorNode.nextSibling}}if(!g){g=a.commonAncestorContainer;if(!a.collapsed){if(a.startContainer==a.endContainer){if(a.startOffset-a.endOffset<2){if(a.startContainer.hasChildNodes()){g=a.startContainer.childNodes[a.startOffset]}}}}}}}if(this.currentEvent&&this.currentEvent!==null&&this.currentEvent.type){try{switch(this.currentEvent.type){case"click":case"mousedown":case"mouseup":g=this.currentEvent.target;break;default:break}}catch(d){}}else{if((this.currentElement&&this.currentElement[0])&&(!Browser.Engine.trident)){g=this.currentElement[0]}}if(Browser.Engine.presto||Browser.Engine.webkit){if(this.currentEvent&&!g){event=Event(this.currentEvent);g=event.target}}if(!g||!g.tagName){g=f.body}if(this.isElement(g,"html")){g=f.body}if(this.isElement(g,"body")){g=f.body}if(g&&!g.parentNode){g=f.body}if(g===undefined){g=null}return g},isElement:function(b,a){if(b&&b.tagName&&(b.tagName.toLowerCase()==a)){return true}if(b&&b.getAttribute&&(b.getAttribute("tag")==a)){return true}return false},getSelectionRange:function(){var a=null;if(this.IF.contentWindow.getSelection){a=this.IF.contentWindow.getSelection();if(a&&a.rangeCount&&a.getRangeAt){a=a.getRangeAt(0)}}else{if(this.doc.selection&&this.doc.selection.type=="Text"){a=this.doc.selection.createRange()}}return a},getCommonAncestor:function(a){return a.parentElement?a.parentElement():a.commonAncestorContainer}});