function charge_search(){
	

	var thisform = document.getElementById("charge_form");
	var charge_station1 = thisform.charge_station1_code.value;
	var charge_station2 = thisform.charge_station2_code.value;
		
	var TypeName = thisform.TypeName.value;
	var TypeNameText = thisform.TypeNameText.value;

	if(charge_station1 == "-1" || charge_station2 == "-1"){
		alert("请将出发地和目的地填写完整");
		return false;
	}

	var   WLeft   =   Math.ceil((window.screen.width   -   250)   /   2   );     
	var   WTop   =   Math.ceil((window.screen.height   -   280)   /   2   );     
	window.open("charge/charge.jsp?TypeName="+TypeName+"&charge_station1_code="+charge_station1+"&charge_station2_code="+charge_station2+"&TypeNameText="+TypeNameText,"_blank","height=280,width=250,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no,left="+WLeft+",top="+WTop+"");

}