function blend_image(id,v) 
{ 
var obj = document.getElementById(v); 
obj.filters.blendTrans.apply() ; 
obj.src = id; 
obj.filters.blendTrans.play(); 
}

function tgl(v){
    var a=document.getElementById('d'+v).style.display;
    document.getElementById('d'+v).style.display=(a=='none')?'':'none';
}