window.onload = attachFormHandlers;

var http = getHTTPObject();//don't worry about this


function attachFormHandlers()
{
	
	var form = document.getElementById('searchForm'); 
	
	if (document.getElementsByTagName)//make sure were on a newer browser
	{	
		var objInput = document.getElementsByTagName('select');
		for (var iCounter=0; iCounter<objInput.length; iCounter++)
		{
			if(objInput[iCounter].name == 'stateid')
			{
				objInput[iCounter].onchange = function(){return showCity(this);} //attach the onchange to each input field
			}									
		}
	}
	form.onsubmit = function(){return validate();} //attach validate() to the form
}

function getHTTPObject() {
	var xmlhttp;
	/*@cc_on
	@if (@_jscript_version >= 5)
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		try 
		{
			xmlhttp = new XMLHttpRequest();
		} catch (e) {
		xmlhttp = false;
		}
	}
	return xmlhttp;
}

function showCity()
{
	
	var url;
	var ptype = document.getElementById("stateid").value;
	//var ptype = document.("stateid").value;
	url="include/search-return.php";
	
	 url=url+"?stateid="+ptype;		 
	 http.open("GET", url, true);
	 http.onreadystatechange = handleHttpResponse2; 
	 
	http.send(null);   
}	
		
function handleHttpResponse2()
{
	//alert(http.responseText);
	 if (http.readyState==4)
	  { 	  	
	   	document.getElementById("cityShow").innerHTML=http.responseText;    
	  }      
}
function validate()
{
	
	var objInput = document.getElementsByTagName('select');
	for (var iCounter=0; iCounter<objInput.length; iCounter++)
	{
		if(objInput[iCounter].selectedIndex == 0)
		{
			alert("\nPlease Select One Option.");
			objInput[iCounter].focus();
			return false;
		}
		
	}
	
	return true;
}

function validate1()
{
	var objInput = document.getElementsByTagName('input');
	for (var iCounter=0; iCounter<objInput.length; iCounter++)
	{
	
		if(objInput[iCounter].name != 'imagecode')
		{
			if(objInput[iCounter].value == '')
			{
				alert("\nPlease Enter '"+objInput[iCounter].id+"'");
				objInput[iCounter].focus();
				return false;
			}
			
			if(objInput[iCounter].name == 'contactEmail')
			{
				if(!isValidEmail(Trim(objInput[iCounter].value)))
				{
					objInput[iCounter].focus();
					return false;
				}	
			}
		}
	}
	
	var objInput = document.getElementsByTagName('select');
	for (var iCounter=0; iCounter<objInput.length; iCounter++)
	{
		if(objInput[iCounter].selectedIndex == 0)
		{
			alert("\nPlease Select One Option.");
			objInput[iCounter].focus();
			return false;
		}
		
	}
	
	var desc = document.addFrm.provider_Longdesc.value;
	
	if(desc.length < 500)
	{
		alert("Minimum 500 chars description required.");	
		document.addFrm.provider_Longdesc.focus();
		return false;
	}
	
	var addr = document.addFrm.provider_Address.value;
	
	if(addr == '')
	{
		alert("Please Enter College Address.");	
		document.addFrm.provider_Address.focus();
		return false;
	}
	
	return true;
}

function Trim(str)
{ 
 lenstr = str.length
 substr = str
 for (i=0;i<lenstr;i++)
 {
	c = str.charAt(i);	
	if(c == ' ' || c == '\n'  || c == '\r')
		substr = str.substring(i+1,str.length)
	else
		break   
 }

 lenstr = substr.length
 str = substr 
 for(i=(lenstr)-1;i>=0;i--)
 {
	c = str.charAt(i);
	if (c == ' ' || c == '\n' || c == '\r')
	{
		substr = str.substring(0,i);		
	}
	else
	{
		break;
	}
 } 
 return substr	
}

function isValidEmail(emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	// Start by checking that only basic ASCII characters are in the strings (0-127).
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters in e-mail address.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters in e-mail address.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid in e-mail address.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				return false;
	   		}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid in e-mail address.");

			return false;
	   }	
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

	if (len<2) {
		alert("This e-mail address is missing a hostname!");
		return false;
	}	
	return true;
}