function Hide_All()
    {
    //alert('Hello World');
        var option=['ans1','ans2','ans3','ans4','ans5','ans6','ans7','ans8','ans9','ans10','ans11','ans12'];
        var Imgs=['img1','img2','img3','img4','img5','img6','img7','img8','img9','img10','img11','img12'];
 
        for(var i=0; i<option.length; i++) 
        {
            obj=document.getElementById(option[i]);
            obj.style.display = "none"
            ClsImg=document.getElementById(Imgs[i]);
            ClsImg.style.display = "none"        
        }
    
    }
   
    function Show_Ans(DivId,ImgId)
    {
	//alert('You have click this JAVASCRIPT');
		var option=['ans1','ans2','ans3','ans4','ans5','ans6','ans7','ans8','ans9','ans10','ans11','ans12'];
        var Imgs=['img1','img2','img3','img4','img5','img6','img7','img8','img9','img10','img11','img12'];
 
        for(var i=0; i<option.length; i++) 
        { 
            var temp1=option[i];
            var temp2=Imgs[i];
            
            if(temp1 == DivId)
            {
                obj=document.getElementById(option[i]);
                obj.style.display = "block"               
                ClsImg=document.getElementById(Imgs[i]);
                ClsImg.style.display = "block"
            }
            else
            {
                obj=document.getElementById(option[i]);
                obj.style.display = "none"
                ClsImg=document.getElementById(Imgs[i]);
                ClsImg.style.display = "none"
            }            
            
        }
    
    }