// Function to check data and manipulate necessary fields before posting
function post_check()
{
	if(title_check() && content_check() && url_check())
		return true;
	else
		return false;
}

// Function to check data and manipulate necessary fields before posting
function post2_check()
{
        if(title_check() && content_check() && url_check())
                return true;
        else
                return false;
}


// Function to check data and manipulate necessary fields before modifying
function modify_check()
{
	if(title_check() && content_modify_check() && url_check())
		return true;
	else
		return false;
}

// The following functions relate to specific fields within the posting/modfiying form
// Function to ensure that something has been entered in the title field
function title_check()
{
	// check that a title has been added
	if (this.document.forms[0].title.value == "")
	{
		alert("You must enter a Title.");
		return false;
	}
	else
		return true;
}

// If no content has been added, change the form's action and store value
function content_check()
{
	if (this.document.forms[0].content.value == "")
        {
                alert("You must enter a Detailed Description.");
                return false;
        }
        else
                return true;
}


// Same as content_check(), but for modifying items
function content_modify_check()
{
	if (this.document.forms[0].content.value == "")
        {
                alert("You must enter a Detailed Description.");
                return false;
        }
        else
                return true;
}


// If url is just "http://" (the value given as a default when the form loads) reset it to ""
function url_check()
{
	if (this.document.forms[0].url.value == "http://")
		this.document.forms[0].url.value ="";
	return true;
}



// Allows return spaces in textfield 
function replace(String) {

  var re = /\n/g
return String.replace(re,"<br>");
}


function spw(url) {
  var NewWin = window.open(url,"NewWin","toolbar=no,location=no,directories=no,menubar=no,status=yes,scrollbars=yes,resizable=yes,width=680,height=465");
  NewWin.moveTo("10", "10");
  NewWin.focus();
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}