// City Choice Slide



function $$(element)

{

	return element = document.getElementById(element);

}

function $$D()

{

	var d=$$('slide');

	var h=d.offsetHeight;

	var maxh=100;

	function dmove()

	{

			h+=5; //设置层展开的速度

			if(h>=maxh)

			{

					d.style.height=maxh;

					clearInterval(iIntervalId);

			}

			else

			{

					d.style.display='block';

					d.style.height=h+'px';

			}

	}

	iIntervalId=setInterval(dmove,2);

}

function $$D2()

{

		var d=$$('slide');

		var h=d.offsetHeight;

		var maxh=100;

		function dmove()

		{

				h-=5;//设置层收缩的速度

				if(h<=0)

				{

						d.style.display='none';

						clearInterval(iIntervalId);

				}

				else

				{

						d.style.height=h+'px';

				}

		}

		iIntervalId=setInterval(dmove,2);

}

function $$use()

{

var d=$$('slide');

var sb=$$('more');

		if(d.style.display=='none')

		{

				$$D();

				sb.innerHTML='« Close';

		}

		else

		{

				$$D2();

				sb.innerHTML='More »';

		}

}