function showx(value)
	  {
	  
		 for(i=1;i<3;i++)
		{
		   var obj = document.getElementById('show'+i);
		   var objimg = document.getElementById('Img'+i);
		   obj.style.display='none';  	
		   objimg.src = '/img/a/' + i + '.gif';	    
		   if(i==value)
		   {
			    obj.style.display='block'; 
		        objimg.src = '/img/a/a' + i + '.gif';
			
		   }
		}
	  }


function show(ctype) {
    var A = document.getElementById("Img1");
    var B = document.getElementById("Img2"); 


    var S = document.getElementById("show1");
    var D = document.getElementById("show2"); 

    switch (ctype) {
        case 1:
            A.src = '/img/a/1.gif';
            B.src = '/img/a/a2.gif'; 

            S.style.display = 'block';
            D.style.display = 'none'; 
            break;
        case 2:
            A.src = '/img/a/a1.gif';
            B.src = '/img/a/2.gif'; 

            S.style.display = 'none';
            D.style.display = 'block'; 
            break; 
    }
}