function valid_required(field)
{
         if(field=="")          {
         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 Address")
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 

 		 return true					
	}
	

function valForm()
{
        if(!valid_required(document.myform.name.value))
        {
			alert("Name is a required field!")
			document.myform.name.focus();
			return false;
        }
		if(!valid_required(document.myform.address.value))
        {
			alert("Address is a required field!")
			document.myform.address.focus();
			return false;
        }
		if(!valid_required(document.myform.city.value))
        {
			alert("City is a required field!")
			document.myform.city.focus();
			return false;
        }
		if(!valid_required(document.myform.state.value))
        {
			alert("State is a required field!")
			document.myform.state.focus();
			return false;
        }
		if(!valid_required(document.myform.zip.value))
        {
			alert("Zip is a required field!")
			document.myform.zip.focus();
			return false;
        }
		if(!valid_required(document.myform.workphone.value))
        {
			alert("Work Phone is a required field!")
			document.myform.workphone.focus();
			return false;
        }
		if(!valid_required(document.myform.homephone.value))
        {
			alert("Home Phone is a required field!")
			document.myform.homephone.focus();
			return false;
        }
		if(!valid_required(document.myform.cellphone.value))
        {
			alert("Cell Phone is a required field!")
			document.myform.cellphone.focus();
			return false;
        }
		if(!echeck(document.myform.Email.value))
		{
			document.myform.Email.focus();
			return false;		
		}
		
    return true;
}