function validate()
{
	var firstName=document.getElementById("firstName").value;
	var phoneNo=document.getElementById("phoneNo").value;
	var emailId=document.getElementById("emailId").value;
	var message=document.getElementById("message").value;
	
	var msg="";
	var  valid=true;


		

	if(firstName=="")
	{
		msg+="Please Enter your Name \n";
		valid=false;
	}
	else if(!(isNaN(firstName)))
	{
		msg+="Please Enter valid Name \n";
		valid=false;
	}

	
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(emailId))
	{
		valid=true;
	}
	else if(emailId=="")
	{
		msg+="Please Enter your Email Id \n";
		valid=false;
	}
	else
	{
		msg+="Invalid Email Id\n";
		valid=false;
	}

	if(phoneNo=="")
	{
		msg+="Please Enter your Phone Number \n";
		valid=false;
	}
	else if((isNaN(phoneNo)))
	{
		msg+="Please Enter valid Phone Number \n";
		valid=false;
	}
	else if((phoneNo.length)<10)
	{
		msg+="Please Enter valid Phone Number \n";
		valid=false;
	}

	

	if(message=="")
	{
		msg+="Please Enter Message \n";
		valid=false;
	}
	if(!valid)
	{
		alert(msg);
		return false;
	}
		return true;
}