function chm(value){if(value!='1'){document.getElementById('tr_en').className='deactive';document.getElementById('en_tr').className='active';}else{document.getElementById('en_tr').className='deactive';document.getElementById('tr_en').className='active';}document.getElementById('search_type').value=value;}function addchar(field,char){if(document.selection){var lenght;field.focus();sel=document.selection.createRange();lenght=sel.text.lenght;sel.text=char;if(char.length==0){sel.moveStart('character',char.length);sel.moveEnd('character',char.length);}else{sel.moveStart('character',-char.length+lenght);}sel.select();}else if(field.selectionStart||field.selectionStart=='0'){var start=field.selectionStart;var end=field.selectionEnd;field.value=field.value.substring(0,start)+char+field.value.substring(end,field.value.length);field.selectionStart=start+char.length;field.selectionEnd=start+char.length;field.focus();}else{field.value+=char;}}