//----------------------------------------页面浮动按钮------------------------------------------------------
	var tips;
	var theTop =250;/*这是默认高度,越大越往下*/
	var old = theTop;     
	function initFloatTips() {     
		tips = document.getElementById('oLayer');   		  
		tips.style.left= document.body.clientWidth-120 + "px";   //350这个值越大越靠左
		moveTips();   	  
	};   
	function moveTips() {   	  
		var tt=50;   		  
		if (window.innerHeight) {   		  
			pos = window.pageYOffset   	  
		}     
		else if (document.documentElement && document.documentElement.scrollTop) {   	  
			pos = document.documentElement.scrollTop     
		}     
		else if (document.body) {   		  
			pos = document.body.scrollTop;   		  
		}     
		pos=pos-tips.offsetTop+theTop;   		  
		pos=tips.offsetTop+pos/10;   		  
		if (pos < theTop) pos = theTop;   		  
		if (pos != old) {   		  
		tips.style.top = pos+"px";   	  
		tt=10;    
	}     
	old = pos;     
	setTimeout(moveTips,tt);     
} 
//----------------------------------------------------------------------------------------------------------