// JScript source code

function openwindow(page, width, height)
{
window.open(page, "_blank", "height="+height+",width="+width+",status=yes,toolbar=no,menubar=no,resizable=yes,scrollbars=yes");
}

function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }

function hideDocumentElement(id) {
    var el = document.getElementById(id);
    if (el) el.style.display = 'none';
}

function showDocumentElement(id) {
    var el = document.getElementById(id);
    if (el) el.style.display = 'block';
}


function showhide_all_divs(link_id, default_text, switch_text)
{
var array_obj = document.getElementsByTagName("DIV");
var link_obj = document.getElementById(link_id);

	for(var i=0;i<=array_obj.length;i++)
	{
	//alert(array_obj[i].style.display);
	if(array_obj[i].style.display=='')
			{
			array_obj[i].style.display='none';
			link_obj.innerHTML = switch_text;
			}
			else
			{
			array_obj[i].style.display='';
			link_obj.innerHTML = default_text;
			} 
			
			
	}

}

function showhide_all_spans(link_id, default_text, switch_text)
{
var array_obj = document.getElementsByTagName("SPAN");
var link_obj = document.getElementById(link_id);

	for(var i=0;i<=array_obj.length;i++)
	{
	//alert(array_obj[i].style.display);
		if(array_obj[i])
		{
				if(array_obj[i].style.display=='')
				{
				array_obj[i].style.display='none';
				link_obj.innerHTML = switch_text;
				}
				else
				{
				array_obj[i].style.display='';
				link_obj.innerHTML = default_text;
				} 
		}	
			
	}

}

function togglevisible(divname, aname, showname, hidename)
	{
		var obj = document.getElementById(divname);
		var a = document.getElementById(aname);
		
		
		if(obj.style.display=="none")
		{
		obj.style.display="";
		a.innerHTML = hidename;
		}
		else
		{
		obj.style.display="none";
		a.innerHTML = showname;
		} 
	}
function showpreview(divname, aname, showname, hidename)
	{
		var obj = document.getElementById(divname);
		var a = document.getElementById(aname);
		
		
		if(obj.className=="preview_off")
		{
		obj.className="preview_on";
		a.innerHTML = hidename;
		}
		else
		{
		obj.className="preview_off";
		a.innerHTML = showname;
		} 
	}
	
function validemail(eml)
	{
	var reEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;

        //make sure this is a valid email address
        if (!reEmail.test(eml)) {
            alert("Please enter a valid email address to continue.");
           return false;
        }
        return true;
    }
    
function feedpop(URL) {
var popthis=URL+'&s=2420';
var windowprops = "location=no,menubars=yes,toolbars=no,resizable=yes,scrollbars=no,width=620,height=230";
popup = window.open(popthis,"MenuPopup",windowprops);

}
function blogpop(URL) {
var windowblog = "location=yes,menubars=yes,toolbars=yes,resizable=yes,scrollbars=yes,width=400,height=560";
blogpopup = window.open(URL,"blogMenuPopup",windowblog);


}
function imagepop(URL) {

var windowblog = "location=yes,menubars=yes,toolbars=yes,resizable=yes,scrollbars=yes,width=600,height=560";
imagepop = window.open(URL,"imagepop",windowblog);


}

function premiumpop(URL) {
var windowblog = "location=yes,menubars=yes,toolbars=yes,resizable=yes,scrollbars=yes,width=400,height=300";
blogpopup = window.open(URL,"blogMenuPopup",windowblog);


}

function winPopup(page, w, h) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=yes,location=no,menubars=no,toolbars=no,resizable=yes';
	var win = window.open(page, 'popup', winprops)
	return true;
}