function rollmenu(elementId, headerElement){

				

		var element = document.getElementById(elementId);

	   

		if(element.up == false || element.down){

		

			element.up = true;

			element.down = false;

			headerElement.innerHTML = '<img src="img/read_more.gif" border="0">';

			

			setTimeout( 'rollup("'+elementId+'", 20)', 40);

			

		}else{

	  

			element.down = true;

			element.up = false;

			headerElement.innerHTML = '<img src="img/hide_condo.jpg" border="0">';

			

			element.style.display = 'block';

			

			var height = element.offsetHeight;

			

			element.style.height = 0 + 'px';

			

			setTimeout( 'rolldown("'+elementId+'",'+height+', 20)', 40);

			

		}

	  

	}

	

	function rolldown(elementId, height, step){

	

		var element = document.getElementById(elementId);

		var current = parseInt(element.style.height);

		

		if(current + step < height){



			element.style.height = (current + step) + 'px';

			

			setTimeout( 'rolldown("'+elementId+'",'+height+', '+step+')', 40);

		

		}else{

		

			element.style.height = height + 'px';

		

		}

	

	}

	

	function rollup(elementId, step){

	

		var element = document.getElementById(elementId);

		var current = parseInt(element.style.height);

		

		if(current - step > 0){



			element.style.height = (current - step) + 'px';

			

			setTimeout( 'rollup("'+elementId+'",'+step+')', 40);

		

		}else{

		

			element.style.display = 'none';

			element.style.height = 'auto';

		

		}

	

	}