function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}


function checkForm(myForm) {
			
			var ddl_state_province =  document.getElementById("state_province");
			var ddl_country = document.getElementById("country");
			var postal_code_us = /^\d{5}$/;
			//var postal_code_ca = /^([a-z]\d){3}$/i;   // no space
			var postal_code_ca = /^[a-zA-Z]\d[a-zA-Z]\s{0,1}\d[a-zA-Z]\d$/; // 1 space or none in between
			var repeat_phone = /0{7,}|1{7,}|2{7,}|3{7,}|4{7,}|5{7,}|6{7,}|7{7,}|8{7,}|9{7,}/;
			var minlength_phone = document.reg_form.phone_no_1.value.length + document.reg_form.phone_no_2.value.length + document.reg_form.phone_no_3.value.length;
			var phone_number = document.reg_form.phone_no_1.value + document.reg_form.phone_no_2.value + document.reg_form.phone_no_3.value;
			var phone_only = document.reg_form.phone_no_2.value + document.reg_form.phone_no_3.value;
			var is_numeric = /^(?:(?:[+\-]?\$?)|(?:\$?[+\-]?))?(?:(?:\d{1,3}(?:(?:,\d{3})|(?:\d))*(?:\.(?:\d*|\d+[eE][+\-]\d+))?)|(?:\.\d+(?:[eE][+\-]\d+)?))$/;

			if (trim(document.reg_form.f_name.value) == "") {
				alert("Your first name is required.")
				document.reg_form.f_name.focus();
				return false;
			}
			if (trim(document.reg_form.l_name.value) == "") {
				alert("Your last name is required.")
				document.reg_form.l_name.focus();
				return false;
			}
			if (trim(document.reg_form.address.value) == "") {
				alert("Your street address is required. ")
				document.reg_form.address.focus()
				return false;
			}
			if (trim(document.reg_form.city.value) == "") {
				alert("Your city is required. ")
				document.reg_form.city.focus();
				return false;
			}
			if (document.reg_form.state.selectedIndex==0) 
			{
			    alert("Your state/province is required.");
			    document.reg_form.state.focus();
			    return false;
			}
			if ((document.reg_form.zip_postal.value == "") || (!postal_code_us.test(document.reg_form.zip_postal.value) && !postal_code_ca.test(document.reg_form.zip_postal.value)) ) 
			{
				alert("Your zip/postal code is required.")
				document.reg_form.zip_postal.focus();
	   		    return false;
			}
			if (document.reg_form.country.selectedIndex==0) 
			{
    			alert("Your country is required.");
    			document.reg_form.country.focus();
			    return false;
			}
			if (document.reg_form.phone_no_1.value == "" || document.reg_form.phone_no_2.value == "" || document.reg_form.phone_no_3.value == "") 
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;
			}
			else if ( (!is_numeric.test(document.reg_form.phone_no_1.value)) || (!is_numeric.test(document.reg_form.phone_no_2.value)) || (!is_numeric.test(document.reg_form.phone_no_3.value)))
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;
			}
			else if ((phone_only == "5551212") || (phone_only == "5552112") || (phone_only == "5551122"))
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;
			} 

			else if (minlength_phone < 10)
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;	
			}
			else if (document.reg_form.phone_no_2.value.substring(0,1) == "0")
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_2.focus();
				return false;
			}
			else if (repeat_phone.test(phone_number))
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_2.focus();
				return false;
			}
			else if (document.reg_form.phone_no_1.value.substring(0,1) == "0")
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;
			}	
			else if (document.reg_form.phone_no_1.value.substring(0,3) == "0")
			{
				alert("Your phone number is required.")
				document.reg_form.phone_no_1.focus();
				return false;
			}	
			else if((phone_number.indexOf('11111') >= 0) || (phone_number.indexOf('22222') >= 0) ||
	        (phone_number.indexOf('33333') >= 0) || (phone_number.indexOf('44444') >= 0) || (phone_number.indexOf('55555') >= 0) ||
	        (phone_number.indexOf('66666') >= 0) || (phone_number.indexOf('77777') >= 0) || (phone_number.indexOf('88888') >= 0) ||
	        (phone_number.indexOf('99999') >= 0) || (phone_number.indexOf('00000') >= 0) || (phone_number.indexOf('12345') >= 0) ||
	        (phone_number.indexOf('23456') >= 0) || (phone_number.indexOf('34567') >= 0) || (phone_number.indexOf('45678') >= 0) ||
	        (phone_number.indexOf('56789') >= 0) || (phone_number.indexOf('98765') >= 0) || (phone_number.indexOf('87654') >= 0) ||
	        (phone_number.indexOf('76543') >= 0) || (phone_number.indexOf('65432') >= 0) || (phone_number.indexOf('54321') >= 0))
	        {
	            alert("Your phone number is required.")
	            document.reg_form.phone_no_1.focus();
	            return false;
	        }
			if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.reg_form.email.value) != true) 
			{
				alert("Your email address is required.")
				document.reg_form.email.focus();
				return false;
			}


			return true;
		}