function fontUp()
{   

    try {
        var currentNum=document.getElementById("homepagecontent").className;
        currentNum = parseInt(currentNum.replace("SubContentF",""));
   
    if(currentNum < 5 ){
        document.getElementById("homepagecontent").className="SubContentF" + (currentNum + 1);
           
        }
    } catch(e) {


    }


    try {
    var currentNum=document.getElementById("imagecontentSub").className;
    currentNum = parseInt(currentNum.replace("SubContentF",""));
  
    if(currentNum < 5 ){
      //  alert(document.getElementById("imagecontentSub").getElementsByTagName("table").length)
        document.getElementById("imagecontentSub").getElementsByTagName("table").className = "SubContentF" + (currentNum + 1);
        document.getElementById("imagecontentSub").className = "SubContentF" + (currentNum + 1);
       
    }
} catch(e) {


}



  
}

function fontDown()
{

    try {
        var currentNum = document.getElementById("imagecontentSub").className;
        currentNum = parseInt(currentNum.replace("SubContentF",""));

        if(currentNum > 1 ){
            document.getElementById("imagecontentSub").className = "SubContentF" + (currentNum - 1);
        }  

    } catch(e) {


    }  


   try {
    var currentNum=document.getElementById("homepagecontent").className;
    currentNum = parseInt(currentNum.replace("SubContentF",""));
  
    if(currentNum > 1 ){
        document.getElementById("homepagecontent").className="SubContentF" + (currentNum - 1);
       
       
    }  
    
    } catch(e) {


}  
  
}





var scrolling = null; 
  
    function scroll_up(scrolldiv) { 
        var d = document.getElementById(scrolldiv); 
    try {
        d.scrollTop = d.scrollTop - 5; 
      } catch(e) {


}  
        scrolling = window.setTimeout(function() { 
            scroll_up(scrolldiv); 
        }, 60); 
    } 
  
    function scroll_down(scrolldiv) { 
        var d = document.getElementById(scrolldiv); 
  
        d.scrollTop = d.scrollTop + 5; 
  
        scrolling = window.setTimeout(function() { 
            scroll_down(scrolldiv); 
        }, 60); 
    } 
  
    function stop_scroll() { 
        window.clearTimeout(scrolling); 
    }