function post_form_checkdata(theform)
{
	if (theform.PostTitle.value.replace(/\s/gi,'') == "")
	{
		alert("请输入标题！");
		theform.PostTitle.focus();
		return false;
	}
	if (theform.PostIntro.value.replace(/\s/gi,'') == "")
	{
		alert("请输入内容！");
		theform.PostIntro.focus();
		return false;
	}
	return true;
}

function resize_pic()
{
	var objs = document.getElementsByName("link_pic");
	for (var i=0;i<objs.length ;i++ )
	{
		var pwidth = objs[i].width;
		var pheight = objs[i].height;
		if (pwidth > 920)
		{
			objs[i].width = 920;
		}
	}
}

var rowid = 1;
var rowcount = "1";
function addContent()
{
	rowid++;
	rowcount = rowcount + "," + rowid.toString();
	document.getElementById("filecount").value = rowcount;
	var table = document.getElementById("contentTable");
	var tr = document.getElementById("textTR");
	var td = document.getElementById("textTD");
	var row,cell;
	td.rowSpan += 1;
	var rowscount = table.rows.length;
	row = table.insertRow(rowscount);
	row.style.backgroundColor = "#FFFFFF";
	row.id = "texttr1_" + rowid;
	cell = row.insertCell(0);
	cell.innerHTML = "&nbsp;<INPUT id=\"PostLink" + rowid + "\" type=\"file\" size=\"80\" name=\"PostLink" + rowid + "\"> <input type=button onclick='deleteContent(" + rowid + ")' value=' 删除本图 '>";
}
function deleteContent(id)
{
	rowcount = ("," + rowcount + ",").replace("," + id + ",",",");
	rowcount = rowcount.substring(1,rowcount.length - 1);
	document.getElementById("filecount").value = rowcount;
	var table = document.getElementById("contentTable");
	var td = document.getElementById("textTD");
	td.rowSpan -= 1;
	table.rows("texttr1_" + id).removeNode(true);
}