function Search()
{
    var keywordObj = document.getElementById("search_keyword");
    if (trim(keywordObj.value) == "")
    {
        alert("검색어를 넣어주세요");
        keywordObj.focus();
        return false;
    }
    var headObj = document.getElementById("search_head");
    var typeObj = document.getElementById("search_type");
            
    var url = location.href;  
    var head = (headObj == undefined) ? '' : headObj.value ;
    
    url = DeleteGetVariable(url, "page");  
    url = AddGetVariable(url, "search_type", typeObj.selectedIndex);    
    url = AddGetVariable(url, "search_keyword", encodeURI(keywordObj.value));    
    if(head != '')
        url = AddGetVariable(url, "search_head",    head);
    location.href = url;
}




 //txt 체크
function fntxtchk(t, m)
{    
    if(t.value == "")    
    {
        alert(m);
        t.focus();        
        return false;
    }
    else
    {        
        return true;
    }
        
}

// 숫자 체크 
function IsNumber(checkStr)
{
	if(IsEmpty(checkStr))
		return false;
	else
	{
		for (i=0; i < checkStr.length ;i++)
		{
			if ((checkStr.substr(i,1) < '0' || checkStr.substr(i,1) > '9'))
			{
			    alert("다시입력하세요");
				return false;
			}
		}
		return true;
	}
}

function IsEmpty(keyword)
{
	var st_num, key_len;
	st_num = keyword.indexOf(" ");  
	
	while (st_num != -1)
	{
		keyword = keyword.replace(" ", "");
		st_num  = keyword.indexOf(" ");
	}
	key_len=keyword.length;

	if(key_len == 0)
		return true;
	else
		return false;
}

function fnWinOpen(url, width, height)
{	
	var option = "width="+width+",height="+height;
	window.open(url,"",option);
}