#id_img_select_1
{
    position: absolute;
    left: 660px;
    top:  100px;
}

#id_img_select_2
{
    position: absolute;
    left: 660px;
    top:  220px;
}

#id_img_select_3
{
    position: absolute;
    left: 830px;
    top:  100px;
}



.cls_img_window
{
    width:    600px;
    height:   400px;
    top:      470px; 
    margin:     0px;
    overflow: hidden;
    position: absolute;
}

.cls_img
{
    position: absolute;        
    left:     0px;
    top:      0px
}

.cls_span_result
{
    position:   absolute;
    top:        445px;
}

#id_img_ref
{
    position: absolute;
    width:  600px;
    height: 400px;
    left:    30px;
    top:     20px;     
    margin:   0px;
}

#id_div_left
{
    left: 30px;        
}

#id_div_right
{
    left: 660px;        
}

#id_div_diff
{
    left: 1290px;        
}

#id_result_left
{
    left: 30px;       
}

#id_result_right
{
    left: 660px;       
}

#id_diff_text
{
    left: 1290px;       
}

#id_but_switch
{
    position: absolute;
    left:     660px;
    top:      370px;
}

#id_but_reveal
{
    position: absolute;
    left:     660px;
    top:      399px;
}

#id_span_info
{
    position: absolute;;
    left:     660px;
    top:        0px;
}