/**
 * ¾÷·ÎµåÇÒ ÆÄÀÏÀ» ¼±ÅÃÇÑ ÈÄ¿¡ ÇÊ¿äÇÑ ÀÛ¾÷À» ¼öÇàÇÑ´Ù.  
 *
 * @param element input(file)
 * @param max ¾÷·Îµå °¡´ÉÇÑ ÃÖ´ë ÆÄÀÏ »çÀÌÁî
 * @param type À¯Çü
 */
function createUpload(element, max, type) {
    var liNode = element.parentNode;
    var ulNode = liNode.parentNode;
    
    var fname=element.value;
	var path2 = fname.split("\\");
	var strFile = path2[path2.length-1];
	var k1=0;
	var extStr = strFile.slice(strFile.indexOf(".")).toLowerCase();
	//alert(extStr);
	
	extArray=new Array(".asp",".jsp",".php",".php3",".cgi",".inc",".pl");
	
	for(var i1=0;i1<extArray.length;i1++){
		if(extArray[i1]==extStr){
			k1=k1+1;
		}
	}
	
	if(k1>0){
		alert("asp,jsp,php,php3,cgi,inc,pl µîÀÎ È­ÀÏÀº ¾÷·Îµå ÇÒ ¼ö ¾ø½À´Ï´Ù.");
		document.forms[1].j_file.outerHTML = document.forms[1].j_file.outerHTML;
		return;
	}
    
    /* ¼±ÅÃÇÑ ÆÄÀÏÀ» ÅؽºÆ®·Î º¸À̵µ·Ï ÇÔ */
    element.style.display = "none";
    var textSpan = document.createElement("span");
    var text = element.value + "<a onclick=\"deleteUpload(this, " + max + ", '" + type + "')\" onkeypress=\"javascript:if(event.keyCode==13)deleteUpload(this, " + max + ", '" + type + "')\">»èÁ¦</a>";
    if (type == "N/A") {
        textSpan.innerHTML = text;
    } else {
        textSpan.innerHTML = text + "<input type=\"hidden\" name=\"j_file_type\" value=\"" + type + "\"/>";
    }
    liNode.appendChild(textSpan);

    jprivate_adjustCount(ulNode, max, type, true);
}

/**
 * ÆÄÀÏÀ» »èÁ¦ÇÏ´Â ÀÛ¾÷À» ¼öÇàÇÑ´Ù.  
 *
 * @param element a ű×
 * @param max ¾÷·Îµå °¡´ÉÇÑ ÃÖ´ë ÆÄÀÏ »çÀÌÁî
 * @param type À¯Çü
 * @param fileName ÆÄÀÏ À̸§ (ÀÌ¹Ì ¾÷·Îµå µÈ ÆÄÀÏ¿¡¸¸ ÇØ´ç)
 * @param filePath ÆÄÀÏ °æ·Î (ÀÌ¹Ì ¾÷·Îµå µÈ ÆÄÀÏ¿¡¸¸ ÇØ´ç)
 */
function deleteUpload(element, max, type, fileName, filePath) {
    var liNode = element.parentNode.parentNode;
    var ulNode = liNode.parentNode;

    /* UI¿¡¼­ »èÁ¦ */
    ulNode.removeChild(liNode);
    
    jprivate_adjustCount(ulNode, max, type, false);

    /* »èÁ¦ÇÒ ÆÄÀÏ Á¤º¸ ±â·Ï */
    if (fileName) {
        var Forms = document.forms[1];
        var input = document.createElement("input");
        input.name = "j_file_delete";
        input.type = "hidden";
        input.value = fileName;
        Forms.appendChild(input);
        
        input = document.createElement("input");
        input.name = "j_file_path_delete";
        input.type = "hidden";
        input.value = filePath;
        Forms.appendChild(input);
    }
}

function jprivate_adjustCount(ulNode, max, type, flag) {
    /* ÃÑ ¾÷·Îµå ÆÄÀÏ ¼ö ¼öÁ¤ */
    var allSpan = ulNode.getElementsByTagName("span");
    var name = "j_file_count";
    if (type != "N/A") {
        name += ("_" + type);
    }
    var fileCount = document.forms[1][name];
    fileCount.value = allSpan.length;

    /* »õ·Î¿î ÆÄÀÏ ÀÔ·Â ¹Ú½º »ý¼º */
    if ((flag && allSpan.length < max) || (!flag && allSpan.length == (max - 1))) {
        var upload = document.createElement("li");    
        upload.innerHTML = "<input type=\"file\" name=\"j_file\" onchange=\"createUpload(this, " + max + ", '" + type + "');\"/>";
        ulNode.appendChild(upload);
    }
}