function ShowContent(j,k,n){
var i;
for (i = j; i < k; i++){
ContentClear= "Content"+i;
ContentShow="Content"+n;
BtnOut="Btn"+i;
BtnOver="Btn"+n;


document.getElementById(ContentClear).style.display='none';
document.getElementById(ContentShow).style.display='';
document.getElementById(BtnOut).className='Btn_Out';
document.getElementById(BtnOver).className='Btn_Over';
document.getElementById(BtnOver).style.cursor='hand';

}
}