function secondColumnHeightModify(){
    var e1=document.getElementById('innerTableContent');
    if(!e1) return false;

    var e2=document.getElementById('columnLeft');
    if(!e2) return false;

    var e3=document.getElementById('rightBanner');
    
    var e4=document.getElementById('productDIV');
    if(e4) return false;    
    
    var inH1=0;
    var inH2=0;
    var inH3=0;
    if (typeof(e1.offsetHeight)!='undefined'){
        inH1=e1.offsetHeight;
        inH2=e2.offsetHeight;
        if(e3) inH3=e3.offsetHeight;
    } else {
        inH1=e1.clientHeight;
        inH2=e2.clientHeight;
        if(e3) inH3=e3.clientHeight;
    }
  
    if(inH1<(inH2-inH3-100)){
        e1.style.height=(inH2-inH3-100)+'px';
    }
}