function validateContact(){	
		if(document.contact.name.value==""){
		alert("Please enter the Name");
		document.contact.name.focus();
		return false;
	}
	if(document.contact.email.value==""){
		alert("Please enter the Email Address");
		document.contact.email.focus();
		return false;
	}	
	else{		
		email = document.contact.email.value;
		if (! allValidChars(email)) {  // check to make sure all characters are valid
	        return false;
	    }
	    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
	       alert("Please enter Valid Email Address");
		   document.contact.email.focus();
		   return false;
	    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
	       alert("Please enter Valid Email Address");
		   document.contact.email.focus();
		   return false;
	    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
	       alert("Please enter Valid Email Address");
		   document.contact.email.focus();
		   return false;
	    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
			alert("Please enter Valid Email Address");
		   document.contact.email.focus();
		   return false;
	    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
			alert("Please enter Valid Email Address");
		   document.contact.email.focus();
		   return false;
	    }    
	}
	
	if(document.contact.message.value==""){
		alert("Please enter the Message");
		   document.contact.message.focus();
		   return false;
	}
	if(document.contact.security.value==""){
		alert("Please enter the Security code");
		   document.contact.security.focus();
		   return false;
	}
    
}

function validateNewsletter(){
    
	if(document.newsletter_form.name.value==""){
		alert("Please enter the Name");
		document.newsletter_form.name.focus();
		return false;
	}
	if(document.newsletter_form.email.value==""){
		 alert("Please enter the Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	}
	else{		
		email = document.newsletter_form.email.value;
		if (! allValidChars(email)) {  // check to make sure all characters are valid
	        return false;
	    }
	   if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
	       alert("Please enter Valid Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
	       alert("Please enter Valid Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
	       alert("Please enter Valid Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
			alert("Please enter Valid Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
			alert("Please enter Valid Email Address");
		   document.newsletter_form.email.focus();
		   return false;
	    }    
	}
	
	 
	
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

function openimage(image, w, h){

	window.open(image, "newWind", "menubar=0,status=0,resizable=1, width="+w+", height="+h);
}

function validateLogin(){
	if(document.login.username.value=="" )
	{
		alert("Please enter the Username");
		document.login.username.focus();
		return false;
	}
	
	if(document.login.pass.value=="" ){
		alert("Please enter the Password");
		document.login.pass.focus();
		return false;
	}
}


function validateunsubscribtion()
{
  	
	if(document.unsubscribe.email.value==""){
		 alert("Please enter the Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	}
	else{		
		email = document.unsubscribe.email.value;
		if (! allValidChars(email)) {  // check to make sure all characters are valid
	        return false;
	    }
	    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
	       alert("Please enter Valid Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
	       alert("Please enter Valid Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
	       alert("Please enter Valid Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
			alert("Please enter Valid Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
			alert("Please enter Valid Email Address");
		   document.unsubscribe.email.focus();
		   return false;
	    } 
	}
	
}
