var DDSPEED = 10;
var DDTIMER = 15;	


// main function to handle the mouse events //	
function ddMenu(id,d)
{
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent'); 
	    clearInterval(c.timer);
	    if(d == 1)
	    {
	       clearTimeout(h.timer);
		    if(c.maxh && c.maxh <= c.offsetHeight){return}
	   
	   		else if(!c.maxh)	   
	  			{      	     
	  			c.style.display = 'block';
      			c.style.height = 'auto';
      			c.maxh = c.offsetHeight;
      			c.style.height = '0px';
				}
   		   c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
		}
		else
		{    h.timer = setTimeout(function(){ddCollapse(c)},50);  }	
					
} 

// collapse the menu 
function ddCollapse(c)
{  
	c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
}

// cancel the collapse if a user rolls over the dropdown 
function cancelHide(id)
{  
	var h = document.getElementById(id + '-ddheader');
    var c = document.getElementById(id + '-ddcontent');
    clearTimeout(h.timer);  clearInterval(c.timer);
    if(c.offsetHeight < c.maxh){    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);  }
}
// incrementally expand/contract the dropdown and change the opacity 
function ddSlide(c,d)
{
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){    dist = (Math.round((c.maxh - currh) / DDSPEED));  }else{    dist = (Math.round(currh / DDSPEED));  }
  if(dist <= 1 && d == 1){    dist = 1;  }
  c.style.height = currh + (dist * d) + 'px';
  c.style.opacity = currh / c.maxh;  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){    clearInterval(c.timer);  }
} 

function currenttime(str)
{
	document.getElementById('username').innerHTML = '';
	now = new Date();	
	hours = now.getHours();
	mins = now.getMinutes();
	secs = now.getSeconds(); 
	//lbl = '<p>' + hours + ':' + mins + ':' + secs + '</p>';
	lbl = str + ':' + hours + ':' + mins + ':' + secs ;
	document.getElementById('username').innerHTML = lbl;
}