// JavaScript Document

   function validate(){
		var name  = element("name")
		var email = element("email")
		var phone = element("phone_from")
		
		if(validateNull(name) == false){
			 alert("Please enter a valid name")
				 name.focus()
			 return false
		}


		if(validateNull(email) == true)
		{
			 if(IsEmail(email.value) == false)
				 {
					alert("Please enter a valid email Id")
						email.focus()
			 		return false
				 }
		}
		else
	   {
            		alert("Please enter a valid email Id")
						email.focus()
			 		return false
	   }
		
      	if(validateNull(phone) == false)
		{
			alert("Please enter a valid phone number")
				phone.focus()
			return false
		}
		   
		   document.getElementById("form").action="http://d.searchinfluence.com/SIemailSystem/index.php?p=6&t=2"
		   document.getElementById("form").method="post"
		   document.getElementById("form").submit();
		   return true
		
	}
	
	function validateNull(ele){
            
			if(ele.value == "" || ele.value == null){
				return false
			}
			else{
		    	return true
			}
	}
	
	function element(ele){
	  if(document.getElementById(ele) != "undefined")
	   {
	      return document.getElementById(ele)
	   }
	}
	
function IsEmail(expression)
	{
		 
		if(/^[a-z0-9_\-]+(\.[_a-z0-9\-]+)*@([_a-z0-9\-]+\.)+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)$/.test(expression))
		{
				return true;
		}
		else
		{
				return false;
		}
  }