function showSub(){
								var RandomNo = Math.random(1-<?=$count;?>)
								for(var i = 1; i <= <?=$count;?>; i++){
								   if(i == RandomNo){
										document.getElementById('img'+i).style.display = 'block';
								   }else{
										document.getElementById('img'+i).style.display = 'none';
								   }
								}
							}