function changeIndexField(field)
{
	var m = document.queryForm;
	var allId = document.getElementById("key_all");
	var comId = document.getElementById("key_com");
	var posId = document.getElementById("key_pos");
	if(field=="com"){
		m.indexField.value = "com";
		comId.className = "keyFiled_sel";
		//allId.className = "keyFiled_non";
		//posId.className = "keyFiled_non";
		allId.className = "";
		posId.className = "";
	}else if(field=="pos"){
		m.indexField.value = "pos";
		//comId.className = "keyFiled_non";
		//allId.className = "keyFiled_non";
		comId.className = "";
		allId.className = "";
		posId.className = "keyFiled_sel";
	}else{
		m.indexField.value = "all";
		//comId.className = "keyFiled_non";
		allId.className = "keyFiled_sel";
		//posId.className = "keyFiled_non";
		comId.className = "";
		posId.className = "";
	}
	
}
function tabDiv(obj,num,len)
{
for(var id = 1;id<=len;id++)
{
var oncss=obj+"-dis";
var offcss=obj+"-undis";
var ss=obj+id;
var snav =obj+"-"+id;
if(id==num){
try{document.getElementById(ss).className="dis"}catch(e){};
try{document.getElementById(snav).className=oncss}catch(e){};
}else{
try{document.getElementById(ss).className="undis"}catch(e){};
try{document.getElementById(snav).className=offcss}catch(e){};
}
} 
}
function tabDivcss(obj,num,len,css1,css2)
{
for(var id = 1;id<=len;id++)
{
var oncss=css1;
var offcss=css2;
var ss=obj+id;
var snav =obj+"-"+id;
if(id==num){
try{document.getElementById(ss).className="dis"}catch(e){};
try{document.getElementById(snav).className=oncss}catch(e){};
}else{
try{document.getElementById(ss).className="undis"}catch(e){};
try{document.getElementById(snav).className=offcss}catch(e){};
}
} 
}