//  BEGIN GENERIC FUNCTIONS
function alphaNumericCheck(str) {
	if(str.match(/^[\w|\s]+$/)) return true;
   	return false;
}

function checkFormLength(el, max, error_div) {
	if(el.value.length > max) {
		document.getElementById(error_div).innerHTML = '<font color=red>Max ' + max + ' character. Make the number of characters.</font>';
	} else {
	   document.getElementById(error_div).innerHTML = '';
	}
}

function isNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}

function toggle(div)
{
	if (document.getElementById(div).style.display == "none") 
		document.getElementById(div).style.display = "block";
	else 
		document.getElementById(div).style.display = "none";
}

// END GENERIC FUNCTIONS//  BEGIN GENERIC FUNCTIONS
function getXMLObject() {
  var xmlhttp;

  try {
  	xmlhttp = new XMLHttpRequest();
  } catch(e) {
      try {
      	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
      } catch(e) {
      	  try {
            	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
          } catch(E) {
            	xmlhttp = false;
          }
      }
  }

  return xmlhttp;
}


// For u.php
function previewTitle() {
	document.getElementById('titlepreview').innerHTML = document.getElementById('title').value;
	document.getElementById('titlepreviewlink').innerHTML = document.getElementById('title').value;
}

function previewDesc() {
	document.getElementById('desc1preview').innerHTML = document.getElementById('desc1').value;
}

function previewDesc1() {
	document.getElementById('desc1preview').innerHTML = document.getElementById('desc1').value;
}


function previewDesc2() {
	document.getElementById('desc2preview').innerHTML = document.getElementById('desc2').value;
}

function previewDisplayURL() {
	document.getElementById('displayurlpreview').innerHTML = document.getElementById('displayurl').value;
}

function displayLayout(w,h)
{
	var string = "<center><div style='width:" + w + "px; height:" + h + "px; background-color:#eee; border: 1px solid black; padding: 10px; vertical-align: middle'><h3>" + w + "px by " + h + "px Ad Block</h3></div></center>";
	document.getElementById('layout').innerHTML=string;
}