// JavaScript Document
function alphanumeric(alphane){
	            var numaric = alphane;
	            for(var j=0; j<numaric.length; j++){
		              var alphaa = numaric.charAt(j);
		              var hh = alphaa.charCodeAt(0);
		              if(hh!=32){
		                  if((hh > 64 && hh<91) || (hh > 96 && hh<123)){
		                  }
		                    else{
			                 return false;
		                    }
		               }
		            }
             return true;
            }
function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID");
		   return false;
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID");
		    return false;
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false ;
		 }

 		 return true;					
	}
function validate(){
	var emailID=document.contact.email

	if(document.contact.name.value==''){
	alert('Please Enter Your Name.');
	document.contact.name.focus();
	return false;
	}
	if(alphanumeric(document.contact.name.value)==false){
		alert('Please Enter Valid Name.');
		document.contact.name.focus();
		return false; 
	}
	if(document.contact.email.value==''){
	alert('Please Enter Email ID.');
	document.contact.email.focus();
	return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	if(document.contact.mobile.value==''){
	alert('Please Enter Mobile Number.');
	document.contact.mobile.focus();
	return false;
	}	
	if(document.contact.message.value==''){
	alert('Please Enter Query.');
	document.contact.message.focus();
	return false;
	}
	if(document.contact.captcha.value==''){
	alert('Please Enter Captcha.');
	document.contact.captcha.focus();
	return false;
	}
	
}