activateMenu = function(nav) {

    /* currentStyle restricts the Javascript to IE only */
	if (document.all && document.getElementById(nav).currentStyle) {  
        var navroot = document.getElementById(nav);
        
        /* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
            
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() {                       
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}
window.onload= function(){
    /* pass the function the id of the top level UL */
    activateMenu('vertnav');
    newfoot();
}

function newfoot() {
	document.getElementById('footer').style.width='100%';
	document.getElementById('rightSide').style.height='0';
	var k=getHeight();
	k = k - 52; //k less footer height
	var j=findPosY(document.getElementById('footer'));
	//alert(j + '\n' + k);
	if (k>j) {
		document.getElementById('contents').style.height=(k-128) + 'px';
		document.getElementById('rightSide').style.height=(k-76) + 'px';
	} else {
		document.getElementById('contents').style.height= (j-128) + 'px';
		document.getElementById('rightSide').style.height=(j-52) + 'px';
	}
}

function getHeight() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement && document.documentElement.clientHeight ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && document.body.clientHeight ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
  return myHeight;
}

function findPosY(obj) {
	var curtop = 0;
	if(obj.offsetParent)
		while(1) {
		curtop += obj.offsetTop;
		if(!obj.offsetParent)
			break;
		obj = obj.offsetParent;
		}
	else if(obj.y)
		curtop += obj.y;
	return curtop;
}