function get_ytab(num){
	for(var i=1;i<5;i++){
		if(num == i){
			document.getElementById("y"+num).innerHTML="<img src='../img/kor/company/y_tab"+num+".jpg'/>";
			document.getElementById("p"+num).style.display="block";
		}else{
			document.getElementById("y"+i).innerHTML="";
			document.getElementById("p"+i).style.display="none";
		}
	}
}

function clear_txt(){
	document.getElementById("ed").value="";
}

function callPage(page,pagenum,srchtxt,sel,ch){
	location.href=page+".php?pagenum="+pagenum+"&srchtxt="+srchtxt+"&sel="+sel+"&ch="+ch;
}

function callEPage(pagenum){
	location.href="cyberpr.php?ch=3&pagenum="+pagenum;
}

function form_chk(form){ 
	if(!form.elements["wr_sub"].value){
		alert('제목을 입력하세요');
		return false; 
	}

	if(!form.elements["wr_content"].value){
		alert('글내용을 입력하세요');
		return false; 
	}
}

function del_board(idx,qtable,ch){
	if(confirm("정말 삭제 하시겠습니까?")){
		location.href="board/del.php?idx="+idx+"&qtable="+qtable+"&ch="+ch;
	}
}