function showDiv(chose)
    {
		    obj0 = document.getElementById("tbl_0");
		    obj1 = document.getElementById("tbl_1");
		    obj2 = document.getElementById("tbl_2");    			
			    if (chose==0)
			    {
				    obj0.style.display = 'block';
				    obj1.style.display = 'none';
					obj2.style.display='none';				    
				    document.getElementById('Header_0').className = 'title_laisuat_hover';//67px
				    document.getElementById('Header_1').className = 'title_tygia';//57px
				    document.getElementById('Header_2').className = 'title_bieuphi';//70px
			    }
			    else
			        if(chose==1)
			        { 
				        obj0.style.display = 'none';
				        obj1.style.display = 'block';
					    obj2.style.display='none';
				        document.getElementById('Header_0').className = 'title_laisuat';
				        document.getElementById('Header_1').className = 'title_tygia_hover1';
				        document.getElementById('Header_2').className = 'title_bieuphi';
			        }else
			            if(chose==2)
			            {
			                obj1.style.display = 'none';
				            obj0.style.display = 'none';
				            obj2.style.display='block';
				            document.getElementById('Header_0').className = 'title_laisuat';
				            document.getElementById('Header_1').className = 'title_tygia';
				            document.getElementById('Header_2').className = 'title_bieuphi_hover1';
			            }
    }