function checkValue(obj, focused)
	{
		var str = '';
		if(focused)
		{
			if(obj.value == str)
			{
				obj.value = '';
			}
		}
		else
		{
			if(obj.value.replace(/\s+/g,'').length == 0)
			{
				obj.value = str;
			}
		}
	}
	
	function submitSearch(form)
	{
		var str = '';
		
		if(form['q'])
		{
			var error = true;
			if(form['q'].value.replace(/\s+/g,'').length > 0 && form['q'].value != str)
			{
				error = false;
			}
			else
			{
				alert('Please enter keyword !');
				form['q'].focus();
			}
			
			if(!error)
			{
				form.submit();
			}
		}
	}