DIV層的拖動和相容

來源:互聯網
上載者:User
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <script language="JavaScript" type="text/javascript">
    var x,y
    var drag_=false
    var D=new Function('obj','return document.getElementById(obj);')
    var IE=new Function('','if(navigator.appName.indexOf("Explorer")>=0)return 1;if(navigator.appName.indexOf("Netscape")>=0)return 2')
    function Move_obj(obj){//1
    D(obj).onmousedown=function(e){drag_=true//4
    with(this){style.position="absolute";temp1=offsetLeft;temp2=offsetTop;//5
    if(IE()==1){x=event.clientX;y=event.clientY//6
    document.onmousemove=function(e){//7
    if(drag_==false)return false
    with(this){style.left=temp1+event.clientX-x+"px";style.top=temp2+event.clientY-y+"px"}
    }//7
    }//6
    if(IE()==2){x=e.pageX;y=e.pageY;//8
    document.onmousemove=function(e){//9
    if(drag_==false)return false
    with(this){style.left=temp1+e.pageX-x+"px";style.top=temp2+e.pageY-y+"px"}
    }//9
    }//8
    }//5
    document.onmouseup=new Function("drag_=false")
    }//4
    }//1
    </script>
    <body>
    <div id="test" style="background-color:#0099CC;width:200px"onmouseover='Move_obj("test")'>這個是可以拖動的層</div>

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