function toggle_div(obj,img) 
{		  					 						 
									 
	// declare internal variable to hold passed variable 
	var el = document.getElementById(obj);	 

	//test the current state of the object and toggle opposite state.
	if (el.style.display != '' && el.style.display != 'none') 
	{
		el.style.display = 'none';
		document[img].src='/images/expand.gif';
	}
	else 
	{
		el.style.display = 'block';
		document[img].src='/images/contract.gif';
	}				 
}

function toggle_all() 
{    
    toggle_div('whofor','expand_icons');
    toggle_div('coursecontent','expand_icons_1');
    toggle_div('entryreq','expand_icons_2');
    toggle_div('learningmod','expand_icons_3');
    toggle_div('assessmethod','expand_icons_4');
    toggle_div('qualgain','expand_icons_5');
    toggle_div('progression','expand_icons_6');
    toggle_div('careers','expand_icons_7');
    toggle_div('p_costs','expand_icons_8');
    toggle_div('apply','expand_icons_9');
    toggle_div('further','expand_icons_10');
}