function switchpic(n){
	switch(n){
		case 1:	{
			if (xx.src!="pics/pic1.gif"){
				xx.src="pics/pic1.gif";
				kj.src="pics/pic2_back.gif";
			}
			break;
		}
		case 2:{
			if (kj.src!="pics/pic2.gif"){
				kj.src="pics/pic2.gif";
				xx.src="pics/pic1_back.gif";	
			}
			break;
		}
	}
	for(var i=1;i<=2;i++){
		eval("tr"+i).style.display="none";
	}
	eval("tr"+n).style.display="";
}
function showxx(n){
	for(var i=1;i<=2;i++){
		eval("td"+i).className="titlebiaoqian2";
		eval("tr"+i).style.display="none";
	}
	eval("td"+n).className="titlebiaoqian1";
	eval("tr"+n).style.display="";
}
function msover(object){
	object.style.backgroundColor="#efefef";
}
function msout(object){
	object.style.backgroundColor="";
}