function convert(showChartForm){
	var myform=showChartForm;
	var xianhuo	=document.getElementById("xianhuo");
	var qihuo	=document.getElementById("qihuo");
	
	if(myform.myselect.value=="0" ){
		xianhuo.style.display="none";
		qihuo.style.display="";
		document.getElementById("qihuoselect").style.display="none";
		document.getElementById("xianhuoselect").style.display="";
		document.getElementById("qihuoa").style.display="none";
		document.getElementById("xianhuoa").style.display="";
	
	}else if(myform.myselect.value=="1"){
		xianhuo.style.display="";
		qihuo.style.display="none";	
		document.all.lHqPic1.src = "http://www.jrqh.com.cn/dfpic/dfpic.dll?MinuteX&zqdm=ru0005.DC&width=200&height=140";
		document.getElementById("qihuoselect").style.display="";
		document.getElementById("xianhuoselect").style.display="none";
		
		document.getElementById("qihuoa").style.display="";
		document.getElementById("xianhuoa").style.display="none";
	}
}