var qtButtons=new Array();var qtOpenTags=new Array();var height_max=30;var height_min=5;var height_step=5;
function qtButton(id,display,tagStart,tagEnd,title,access,open){this.id=id;this.display=display;this.tagStart=tagStart;this.tagEnd=tagEnd;this.title=title;this.access=access;this.open=open;}qtButtons.push(new qtButton('qt_bold','Bold','<strong>','</strong>','Boldface','b'));qtButtons.push(new qtButton('qt_italic','Italic','<em>','</em>','Italics','i'));qtButtons.push(new qtButton('qt_block','Quote','<blockquote>','</blockquote>','Quatation','q'));qtButtons.push(new qtButton('qt_code','Code','<code>','</code>','Code','c'));qtButtons.push(new qtButton('qt_link','Link','','</a>','Insert Link','l'));qtButtons.push(new qtButton('qt_increase','+','','','Enlarge Textfield','l',-1));qtButtons.push(new qtButton('qt_decrease','-','','','Decrease Textfield','l',-1));
function displayQuicktags(textareaID){textarea_id=textareaID;for(i=0;i<qtButtons.length;i++){qtShowButton(qtButtons[i],i);}}
function qtTextareaSize(type){var height_current=document.getElementById(textarea_id).rows;switch(type){case'increase':if((height_current+height_step)>height_max){var my_heightchange=height_max;}else{var my_heightchange=height_current+height_step;}break;case'decrease':if((height_current-height_step)<height_min){var my_heightchange=height_min;}else{var my_heightchange=height_current-height_step;}break;default:break;}document.getElementById(textarea_id).rows=my_heightchange;}
function qtInsertLink(myField,i,defaultValue){if(!defaultValue){defaultValue='http://';}if(!qtCheckOpenTags(i)){var URL=prompt('URL:',defaultValue);if(URL){qtButtons[i].tagStart='<a href="'+URL+'">';qtInsertTag(myField,i);}}else{qtInsertTag(myField,i);}}
function qtShowButton(button,i){if(button.access){var accesskey=' accesskey = "'+button.access+'"'}else{var accesskey='';}if(button.title){var titlevalue=' title = "'+button.title+'"'}else{var titlevalue='';}switch(button.id){case'qt_close':document.write('<input type="button" id="'+button.id+'" '+accesskey+titlevalue+' class="qt_button" onclick="qtCloseAllTags();" value="'+button.display+'" />');break;case'qt_link':document.write('<input type="button" id="'+button.id+'" '+accesskey+titlevalue+' class="qt_button" onclick="qtInsertLink(document.getElementById(textarea_id), '+i+');" value="'+button.display+'" />');break;case'qt_increase':document.write('<input type="button" id="'+button.id+'" '+accesskey+titlevalue+' class="qt_button" onclick="qtTextareaSize(\'increase\');" value="'+button.display+'" />');break;case'qt_decrease':document.write('<input type="button" id="'+button.id+'" '+accesskey+titlevalue+' class="qt_button" onclick="qtTextareaSize(\'decrease\');" value="'+button.display+'" />');break;default:document.write('<input type="button" id="'+button.id+'" '+accesskey+titlevalue+' class="qt_button" onclick="qtInsertTag(document.getElementById(textarea_id), '+i+');" value="'+button.display+'" />');break;}}
function qtAddTag(button){if(qtButtons[button].tagEnd!=''){qtOpenTags[qtOpenTags.length]=button;document.getElementById(qtButtons[button].id).value='/'+document.getElementById(qtButtons[button].id).value;}}
function qtRemoveTag(button){for(i=0;i<qtOpenTags.length;i++){if(qtOpenTags[i]==button){qtOpenTags.splice(i,1);document.getElementById(qtButtons[button].id).value=document.getElementById(qtButtons[button].id).value.replace('/','');}}}
function qtCheckOpenTags(button){var tag=0;for(i=0;i<qtOpenTags.length;i++){if(qtOpenTags[i]==button){tag++;}}if(tag>0){return true;}else{return false;}}
function qtCloseAllTags(){var count=qtOpenTags.length;for(o=0;o<count;o++){qtInsertTag(document.getElementById(textarea_id),qtOpenTags[qtOpenTags.length-1]);}}
function qtInsertTag(myField,i){if(document.selection){myField.focus();sel=document.selection.createRange();if(sel.text.length>0){sel.text=qtButtons[i].tagStart+sel.text+qtButtons[i].tagEnd;}else{if(!qtCheckOpenTags(i)||qtButtons[i].tagEnd==''){sel.text=qtButtons[i].tagStart;qtAddTag(i);}else{sel.text=qtButtons[i].tagEnd;qtRemoveTag(i);}}myField.focus();}else if(myField.selectionStart||myField.selectionStart=='0'){var startPos=myField.selectionStart;var endPos=myField.selectionEnd;var cursorPos=endPos;var scrollTop=myField.scrollTop;if(startPos!=endPos){myField.value=myField.value.substring(0,startPos)+qtButtons[i].tagStart+myField.value.substring(startPos,endPos)+qtButtons[i].tagEnd+myField.value.substring(endPos,myField.value.length);cursorPos+=qtButtons[i].tagStart.length+qtButtons[i].tagEnd.length;}else{if(!qtCheckOpenTags(i)||qtButtons[i].tagEnd==''){myField.value=myField.value.substring(0,startPos)+qtButtons[i].tagStart+myField.value.substring(endPos,myField.value.length);qtAddTag(i);cursorPos=startPos+qtButtons[i].tagStart.length;}else{myField.value=myField.value.substring(0,startPos)+qtButtons[i].tagEnd+myField.value.substring(endPos,myField.value.length);qtRemoveTag(i);cursorPos=startPos+qtButtons[i].tagEnd.length;}}myField.focus();myField.selectionStart=cursorPos;myField.selectionEnd=cursorPos;myField.scrollTop=scrollTop;}else{if(!qtCheckOpenTags(i)||qtButtons[i].tagEnd==''){myField.value+=qtButtons[i].tagStart;qtAddTag(i);}else{myField.value+=qtButtons[i].tagEnd;qtRemoveTag(i);}myField.focus();}}
function qtInsertContent(myField,myValue){if(document.selection){myField.focus();sel=document.selection.createRange();sel.text=myValue;myField.focus();}else if(myField.selectionStart||myField.selectionStart=='0'){var startPos=myField.selectionStart;var endPos=myField.selectionEnd;var scrollTop=myField.scrollTop;myField.value=myField.value.substring(0,startPos)+myValue+myField.value.substring(endPos,myField.value.length);myField.focus();myField.selectionStart=startPos+myValue.length;myField.selectionEnd=startPos+myValue.length;myField.scrollTop=scrollTop;}else{myField.value+=myValue;myField.focus();}}