var SubmitFlag = false;

//Case1 From GHP

function chIO(){
	
var DataChk = SearchDataChk();

	if(DataChk){
		if(SubmitFlag){
			alert("search in progress");
			return false;
		}
		var n = document.results_top.selectIO.selectedIndex;

		if(n == 1){
			document.results_top.SiteNo.value = '996';
			document.results_top.SEC.value = '996_immK';
		}

		SubmitFlag = true;
		return true;
	}

	return false;
}


//Case2 From Search

function doSubmitChk(){
	
var DataChk = SearchDataChk();

	if(DataChk){
		if(SubmitFlag){
			alert("search in progress");
			return false;
		}

		SubmitFlag = true;
		return true;
	}

	return false;
}


//TextCheck

function SearchDataChk(){

	NullChk = document.results_top.MT.value; 


	if(NullChk.length<=1){
		alert("assign a keyword with two or more characters for search");
		document.results_top.MT.focus();
		return false;
	}

	if(NullChk.match(/\<script|script\>/ig)){
		alert("invalid character string");
		document.results_top.MT.focus();
		return false;
	}

	return true;
}