function as_clickButton(e, buttonid){ 
      var bt = document.getElementById(buttonid); 
      if (typeof bt == 'object'){ 
            if(navigator.appName.indexOf("Netscape")>(-1)){ 
                  if (e.keyCode == 13){ 
                        bt.click(); 
                        return false; 
                  } 
            } 
            if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)){ 
                  if (event.keyCode == 13){ 
                        bt.click(); 
                        return false; 
                  } 
            } 
      } 
} 


function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function textCounter(field,cntfield,maxlimit) 
{
	if(!maxlimit)
		maxlimit=field.maxLength;
	if (field.value.length > maxlimit) // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
	else	// otherwise, update 'characters left' counter
		cntfield.value = maxlimit - field.value.length;
}

function toggleDisplay(oName)
{
	var o = findObj(oName);
	if(o)
	{
		if(o.style.display == 'none')
			o.style.display = 'block';
		else
			o.style.display = 'none';
	}
}

function showElement(oName)
{
	var o = findObj(oName);
	if(o)
	{
		o.style.display = 'block';
	}
}

function hideCapabilityDescriptions()
{
	var dEls = getElementsByClass('CapabilityDescriptionBox');
	//alert('Found '+dEls.length+' items');
	for( var i = 0; i < dEls.length; i++ )
	{
		dEls[i].style.display = 'none';
	}
}

function getElementsByClass(searchClass)
{
	var classElements = new Array();
	var els = document.getElementsByTagName('*');
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for( var i = 0, j = 0; i < elsLen; i++ )
	{
		if( pattern.test(els[i].className) )
		{
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}