function contactcheck(contactus)
{
var valid = true; 
var fna = document.contactus.fname.value;
var lna = document.contactus.lname.value;
var st = document.contactus.street.value;
var cty = document.contactus.city.value;
var sta = document.contactus.state.value;
var zip = document.contactus.zip.value;
var ph = document.contactus.phone.value;
var email = document.contactus.email.value;

if(fna == "")
{alert("Please enter your First Name");valid = false;}
else if(lna == "")
{alert("Please enter your Last Name");valid = false;}
else if(st == "")
{alert("Please enter your Street");valid = false;}
else if(cty == "")
{alert("Please enter your City");valid = false;}
else if(sta == "")
{alert("Please enter your State");valid = false;}
else if(zip == "")
{alert("Please enter your Zip");valid = false;}
else if(ph == "")
{alert("Please enter your Telephone Number");valid = false;}
else if(email == "")
{alert("Please enter your Email Address");valid = false;}
else
   {var str= email;
	if((str.indexOf("@") != -1) && (str.indexOf(".") != -1))
 		{var n=str.indexOf("@");
	 	  if(n>0){
			var pn=str.indexOf(".",n);
			var len=str.length;
			if((pn>n+1)&&(len>pn+2))
				{valid = true;}}
		 }else{
		alert('Invalid Email Address');
 		 valid = false;}
	}

return valid; 
}