function getHeight()
{
	theHeight = document.getElementById('content').style.height;
	return theHeight.height;
}
function changeHeight(amount)
{
	var x = getHeight();
	theHeight.style.height = x + amount;
}
/* Toggles visibility on an element */
function hideShow(el_id)
{
	var el=document.getElementById(el_id);
	if(el) {
	    if(el.style.display!="none"){
	      el.style.display="none";
	    }else{
	      el.style.display="";
	    }
	}
}

function hideEL(el_id){
	var el=document.getElementById(el_id);
	el_id.style.display="none";
}

function showEL(el_id){
	var el=document.getElementById(el_id);
	el_id.style.display="";
}
function textCounter(fieldid, countfieldid, maxlimit) {
	var field = document.getElementById(fieldid);
	var countfield = document.getElementById(countfieldid);
	if (field.value.length > maxlimit) // if too long...trim it!
	field.value = field.value.substring(0, maxlimit);
	// otherwise, update 'characters left' counter
	else 
	countfield.value = maxlimit - field.value.length;
}