function ShowBig(id,flag){
	var nodes = document.getElementById('imgs').childNodes
	var len = nodes.length
		for(var i=0; i<len; i++){
			if('block' == nodes[i].style.display) nodes[i].style.display = 'none'
		}
	if(1 != flag){
		var e = document.getElementById('img-'+id)
	   	var scrollT = document.documentElement.scrollTop || '0'
			scrollT = parseInt(scrollT) + 50
		
		document.getElementById('img-'+id).style.top = scrollT + 'px'
		if(e.style.display == 'none'){
			e.style.display = 'block'
		}
	}
}
var IE = '\v' == 'v';
var flag = 0;
var h = 316
function MoveTOP(){
	if(-1 == flag){
		var ph = document.getElementById('pendulum').offsetHeight;
		var offset = ph - h;
		var e = document.getElementById('pendulum')
		var m = e.style.marginTop;
		if('' != m){
			if('0px' == m) m = '-0px'
			m = /-(.*)px/.exec(m)[1]
			m = parseInt(m)			
		}
		if(m<offset){
			m = 1 + m
			e.style.marginTop = '-' + m + 'px'
			setTimeout(arguments.callee,10)
		}
	}
	else{
		return;
	}
}

function MoveBOTTOM(){
	if(1 == flag){
		var ph = document.getElementById('pendulum').offsetHeight;
		var offset = ph - h;
		var e = document.getElementById('pendulum')	
		var m = e.style.marginTop;
		if('0px' != m){
			if('' == m) m = '-0px'
			m = /-(.*)px/.exec(m)[1]
			m = parseInt(m)			
		}
		if(m <= offset){
			m = m - 1
			e.style.marginTop = '-' + m + 'px'
			setTimeout(arguments.callee,10)
		}
	}
	else{
		return;
	}
}
function ImgPendulum(i){
	document.getElementById('preview').src = document.getElementById(i+'-m').src;
}