function mim(i)
                                 {
                                    holder = document.images[i.name].src;

                                    //document.images[i.name].src='images/o1.jpg';
                                    //alert(i.name);
                                    if(i.name == 'b1'){ document.images[i.name].src=b1.src; }
                                    else if(i.name == 'b2') document.images[i.name].src=b2.src;
                                    else if(i.name == 'b3') document.images[i.name].src=b3.src;
                                    else if(i.name == 'b4') document.images[i.name].src=b4.src;
                                    else if(i.name == 'b5') document.images[i.name].src=b5.src;
                                    else if(i.name == 'b6') document.images[i.name].src=b6.src;
                                    else { document.images[i.name].src=b7.src;      }

                                 }
                                 function mom(i)
                                 {
                                    //document.b1.src='images/c1.jpg';
                                    //document.images[i.name].src='images/c1.jpg';
                                    document.images[i.name].src=holder;
                                    //document.imgs[i].src='images/c1.jpg';
                                 }