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;

	}

}