var pureText=true;
var bTextMode=false;
var bIsIE5 = navigator.userAgent.indexOf("IE 5")  > -1;
var edit;
var RangeType;
function validateMode()
{
  if (!	bTextMode) return true;
  alert("请取消“查看HTML源代码”选项再使用系统编辑功能或者提交!");
  Composition.focus();
  return false;
}

function format1(what,opt)
{
  if (opt=="removeFormat")
  {
    what=opt;
    opt=null;
  }
  if (opt==null) Composition.document.execCommand(what);
  else Composition.document.execCommand(what,"",opt);
  pureText = false;
  Composition.focus();
}

function format(what,opt)
{
  if (!validateMode()) return;

  format1(what,opt);
}

function setMode(newMode)	/*设置为查看超文本方式*/
{
  bTextMode = newMode;
  var cont;
  if (bTextMode) {
    cont=Composition.document.body.innerHTML;
    Composition.document.body.innerText=cont;
  } else {
    cont=Composition.document.body.innerText;
    Composition.document.body.innerHTML=cont;
  }
  Composition.focus();
}

function UserDialog(what)
{
  if (!validateMode()) return;

  Composition.document.execCommand(what, true);

  pureText = false;
  Composition.focus();
}

function foreColor()
{
  if (!	validateMode())	return;
  var arr = showModalDialog("/includes/edit_color.htm", "", "dialogWidth:18.5em; dialogHeight:17.5em; status:0");
  if (arr != null) format('forecolor', arr);
  else Composition.focus();
}

function fortable()
{
  if (!	validateMode())	return;
  var arr = showModalDialog("/includes/edit_table.htm", "", "dialogWidth:20.5em; dialogHeight:15.5em; status:0");
  if (arr != null){
  var ss;
  ss=arr.split("*")
  width=ss[0];
  border=ss[1];
  color=ss[2];
  cellspacing=ss[3]; 
  row=ss[4];
  col=ss[5];
  var string;
  string="<table border=\""+border+"\" cellspacing=\""+cellspacing+"\" bordercolor=\""+color+"\" width=\""+width+"\">";
  for(i=1;i<=row;i++){
  string=string+"<tr>";
  for(j=1;j<=col;j++){
  string=string+"<td></td>";
  }
  string=string+"</tr>";
  }
  string=string+"</table>";
  content=Composition.document.body.innerHTML;
  content=content+string;
   Composition.document.body.innerHTML=content;
  }
  else Composition.focus();
}

function doSelectClick(str, el) {
  if (!validateMode()) return;
	var Index = el.selectedIndex;
	if (Index != 0){
		el.selectedIndex = 0;
		if (el.id == "specialtype")
			specialtype(el.options[Index].value);
		else
			format(str,el.options[Index].value);
	}
}

function specialtype(Mark){
	var strHTML;
	if (bIsIE5) selectRange();	
	if (RangeType == "Text"){
		strHTML = "<" + Mark + ">" + edit.text + "</" + Mark + ">&nbsp;"; 
		edit.pasteHTML(strHTML);
		Composition.focus();
		edit.select();
	}		
}

function selectRange(){
	edit = Composition.document.selection.createRange();
	RangeType =  Composition.document.selection.type;
}

function help()
{
    var helpmess;
    helpmess="---------------填写帮助---------------\r\n\r\n"+
         "1.请不要发表有危险性的脚本。\r\n\r\n"+
         "2.如果要书写源代码，请选中\r\n\r\n"+
         "　查看HTML源代码书写.\r\n\r\n"+
         "3.需要你自己运行,才能看效果.\r\n\r\n"+
         "4.如果书写js，尽量不要在这儿书写.\r\n\r\n";
    alert(helpmess);

}

function istimg(string)
{
		if (!validateMode()) return;
		if (string=="")
		{
			alert("请选择一个文件!");
			return;
		}
		Composition.focus();
		sel=Composition.document.selection.createRange();
     	//sel.pasteHTML("<img src=\""+string+"\" border=\"0\">");
     	sel.pasteHTML("<img src=\""+string+"\" border=\"0\" width=\"400\" height=\"300\">");
     	sel.select();
}

function istfile(string)
{
		if (!validateMode()) return;
		if (string=="")
		{
			alert("请选择一个文件!");
			return;
		}
		Composition.focus();
		sel=Composition.document.selection.createRange();
     	sel.pasteHTML("<a href=\""+string+"\"><font class=\"editlinks\">"+sel.text+"</font></a>");
     	sel.select();
}

function paste(string)
{		
		Composition.focus();
		sel=Composition.document.selection.createRange();
     	sel.pasteHTML(string);
     	sel.select();
}
function checkit()
{if (form1.article_title.value=="")
{alert("标题不能为空！");
document.form1.article_title.focus();
return false;}
if (form1.column_id.value=="0")
{alert("请选择栏目！");
return false;}
if (!	bTextMode) return true;
setMode
}

function add_submit_it(cur_form)
{
	cur_form.edit_content.value=Composition.document.body.innerHTML;
	if (Composition.document.body.innerHTML=="")
	{
		return false;
	}
}

//*********************************动态按钮**********************************//
document.onmouseover = doOver;
document.onmouseout  = doOut;
document.onmousedown = doDown;
document.onmouseup   = doUp;
function doOver() {
	var toEl = getReal(window.event.toElement, "className", "coolButton");
	var fromEl = getReal(window.event.fromElement, "className", "coolButton");
	if (toEl == fromEl) return;
	var el = toEl;
	
//	alert(el);
	
//	var cDisabled = el.getAttribute("cDisabled");
	var cDisabled = el.cDisabled;
//	alert(cDisabled);
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	if (el.className == "coolButton")
		el.onselectstart = new Function("return false");
	
	if ((el.className == "coolButton") && !cDisabled) {
		makeRaised(el);
		makeGray(el,false);
	}
}

function doOut() {
	var toEl = getReal(window.event.toElement, "className", "coolButton");
	var fromEl = getReal(window.event.fromElement, "className", "coolButton");
	if (toEl == fromEl) return;
	var el = fromEl;

//	var cDisabled = el.getAttribute("cDisabled");
	var cDisabled = el.cDisabled;
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present

	var cToggle = el.cToggle;
	toggle_disabled = (cToggle != null); // If CTOGGLE atribute is present

	if (cToggle && el.value) {
		makePressed(el);
		makeGray(el,true);
	}
	else if ((el.className == "coolButton") && !cDisabled) {
		makeFlat(el);
		makeGray(el,true);
	}

}

function doDown() {
	el = getReal(window.event.srcElement, "className", "coolButton");
	
	var cDisabled = el.cDisabled;
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	if ((el.className == "coolButton") && !cDisabled) {
		makePressed(el)
	}
}

function doUp() {
	el = getReal(window.event.srcElement, "className", "coolButton");
	
	var cDisabled = el.cDisabled;
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	if ((el.className == "coolButton") && !cDisabled) {
		makeRaised(el);
	}
}


function getReal(el, type, value) {
	temp = el;
	while ((temp != null) && (temp.tagName != "BODY")) {
		if (eval("temp." + type) == value) {
			el = temp;
			return el;
		}
		temp = temp.parentElement;
	}
	return el;
}

function findChildren(el, type, value) {
	var children = el.children;
	var tmp = new Array();
	var j=0;
	
	for (var i=0; i<children.length; i++) {
		if (eval("children[i]." + type + "==\"" + value + "\"")) {
			tmp[tmp.length] = children[i];
		}
		tmp = tmp.concat(findChildren(children[i], type, value));
	}
	
	return tmp;
}

function disable(el) {

	if (document.readyState != "complete") {
		window.setTimeout("disable(" + el.id + ")", 100);	// If document not finished rendered try later.
		return;
	}
	
	var cDisabled = el.cDisabled;
	
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present

	if (!cDisabled) {
		el.cDisabled = true;
		
		el.innerHTML = '<span style="background: buttonshadow; width: 100%; height: 100%; text-align: center;">' +
						'<span style="filter:Mask(Color=buttonface) DropShadow(Color=buttonhighlight, OffX=1, OffY=1, Positive=0); height: 100%; width: 100%%; text-align: center;">' +
						el.innerHTML +
						'</span>' +
						'</span>';

		if (el.onclick != null) {
			el.cDisabled_onclick = el.onclick;
			el.onclick = null;
		}
	}
}

function enable(el) {
	var cDisabled = el.cDisabled;
	
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	if (cDisabled) {
		el.cDisabled = null;
		el.innerHTML = el.children[0].children[0].innerHTML;

		if (el.cDisabled_onclick != null) {
			el.onclick = el.cDisabled_onclick;
			el.cDisabled_onclick = null;
		}
	}
}

function addToggle(el) {
	var cDisabled = el.cDisabled;
	
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	var cToggle = el.cToggle;
	
	cToggle = (cToggle != null); // If CTOGGLE atribute is present

	if (!cToggle && !cDisabled) {
		el.cToggle = true;
		
		if (el.value == null)
			el.value = 0;		// Start as not pressed down
		
		if (el.onclick != null)
			el.cToggle_onclick = el.onclick;	// Backup the onclick
		else 
			el.cToggle_onclick = "";

		el.onclick = new Function("toggle(" + el.id +"); " + el.id + ".cToggle_onclick();");
	}
}

function removeToggle(el) {
	var cDisabled = el.cDisabled;
	
	cDisabled = (cDisabled != null); // If CDISABLED atribute is present
	
	var cToggle = el.cToggle;
	
	cToggle = (cToggle != null); // If CTOGGLE atribute is present
	
	if (cToggle && !cDisabled) {
		el.cToggle = null;

		if (el.value) {
			toggle(el);
		}

		makeFlat(el);
		
		if (el.cToggle_onclick != null) {
			el.onclick = el.cToggle_onclick;
			el.cToggle_onclick = null;
		}
	}
}

function toggle(el) {
	el.value = !el.value;
	
	if (el.value)
		el.style.background = "URL(/images/tileback.gif)";
	else
		el.style.backgroundImage = "";

//	doOut(el);	
}


function makeFlat(el) {
	with (el.style) {
		background = "";
		border = "1px solid buttonface";
		padding      = "1px";
	}
}

function makeRaised(el) {
	with (el.style) {
		borderLeft   = "1px solid buttonhighlight";
		borderRight  = "1px solid buttonshadow";
		borderTop    = "1px solid buttonhighlight";
		borderBottom = "1px solid buttonshadow";
		padding      = "1px";
	}
}

function makePressed(el) {
	with (el.style) {
		borderLeft   = "1px solid buttonshadow";
		borderRight  = "1px solid buttonhighlight";
		borderTop    = "1px solid buttonshadow";
		borderBottom = "1px solid buttonhighlight";
		paddingTop    = "2px";
		paddingLeft   = "2px";
		paddingBottom = "0px";
		paddingRight  = "0px";
	}
}

function makeGray(el,b) {
	var filtval;
	
	if (b)
		filtval = "gray()";
	else
		filtval = "";

	var imgs = findChildren(el, "tagName", "IMG");
		
	for (var i=0; i<imgs.length; i++) {
		imgs[i].style.filter = filtval;
	}

}
document.write("<style>");
document.write(".coolBar	{border-top: 1px solid buttonhighlight;	border-left: 1px solid buttonhighlight;	border-bottom: 1px solid buttonshadow; border-right: 1px solid buttonshadow; padding: 2px; }");
document.write(".coolButton {border: 1px solid buttonface; padding: 1px; text-align: center; cursor: default;}");
document.write(".coolButton IMG	{filter: gray();}");
document.write("</style>");