function contactform() {

    var name = document.getElementById("name").value;
    var email = document.getElementById("email").value;
    var company = document.getElementById("company").value;
    var comments = document.getElementById("comments").value;
	
    var focus = "";
    var errormsg = "";
    if(name.length == 0 ){
        errormsg+='Please enter your Name!\n';
        if (focus=="") focus = "name";
        document.getElementById("name").style.backgroundColor = 'red';
    }
    if(email.length == 0 ){
        errormsg+='Please enter your Email!\n';
        if (focus=="") focus = "email";
        document.getElementById("email").style.backgroundColor = 'red';
    }
    if(company.length==0){
        errormsg+='Please enter your Company Name!\n';
        if (focus=="") focus = "company";
        document.getElementById("company").style.backgroundColor = 'red';

    }
    if(comments.length==0){
        errormsg+='Please enter Comments!\n';
        if (focus=="") focus = "comments";
        document.getElementById("comments").style.backgroundColor = 'red';
    }
	
    if (errormsg!=""){
        document.getElementById(focus).focus();
        alert(errormsg);
        return false;

    }else{
        return true;
    }
}