// JavaScript Document

function chkform(){

var rege = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9])+$/;

	if(document.myform.company.value.length==0){
		alert('Please enter company name!!!');
		document.myform.company.focus();
	}

	else if(document.myform.fname.value.length==0){
		alert('Please enter your first name!!!');
		document.myform.fname.focus();
	}

	else if(document.myform.lname.value.length==0){
		alert('Please enter your last name');
		document.myform.lname.focus();
	}

	else if (document.myform.email.length == 0||rege.exec(document.myform.email.value) == null){
		alert('Invalid email account!!Please enter your email address again');
		document.myform.email.focus();
	} 

	else if(document.myform.phone.value.length==0){
		alert('Please enter your telphone number');
		document.myform.tel.focus();
	}
	else if((document.myform.l.checked==false)&&(document.myform.a.checked==false)&&(document.myform.i.checked==false)){
		alert('Please select a software that you want to download');
	}
	
	else {
	
	
		document.myform.submit();
	}

}