//禁止在图片上右击，调用：在页面上部：unpremitImgUrl();
function getEvent(e) {var ev = e || window.event;if (!ev) {var c = this.getEvent.caller;while (c) {ev = c.arguments[0];if (ev && Event == ev.constructor) {break;}c = c.caller;}}return ev;}
function unpremitImgUrl(){document.oncontextmenu=	function() {var  target = getEvent().target || getEvent().srcElement;if(target.src){return false;}}}



//unpremitImgUrl();

function change(v)
{
	if (window.XMLHttpRequest) {var oForm=document.forms["form1"];}
	else if(window.ActiveXObject){var oForm=document.all("form1");}

	for (i=0;i<oForm.elements.length;i++)
	{
		if (oForm.elements[i].name=="sid"){oForm.elements[i].checked = v;}
	}
}	

function menushow(id)
	{
		var h=document.getElementById(id).style.display;
		var mclass;
		if (h=="none"){h="";mclass="";}else{h="none";mclass="close";}
		document.getElementById(id).style.display=h;
		document.getElementById(id +"a").className=mclass;
		document.cookie=id+"="+h;
	}