/*From: Stephen Chapman
  url:  http://javascript.about.com/library/blclmenu1.htm
*/
/*
onclick= "toggleMenu('content3', content2, content1, this.id, 'dropdown.jpg','dropup.jpg', 'worktitle')">

		hSty.display = 'none';
		*/

function toggleMenu(divID3, divID4, divID5, divID6) {
	if (!document.getElementById) return;
	
	
	
	var divSty3 = document.getElementById(divID3).style;
	var divSty4 = document.getElementById(divID4).style;
	var divSty5 = document.getElementById(divID5).style;
	var divSty6 = document.getElementById(divID6).style;
	
	
	
	if (divSty5.display == 'none'){
		
		divSty4.display = 'none';
		divSty3.display = 'block';
		divSty5.display = 'block';
		divSty6.display = 'none';	
	} 
	else {
		divSty4.display = 'block';
		divSty3.display = 'none';
		divSty5.display = 'none';
		divSty6.display = 'block'
	}
}