function isEmail(objField){
	if(objField.value.length > 0){
		if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(objField.value)){
			return true;
		}
	}
	alert("Invalid E-mail Address! Please re-enter.");
	objField.select();
	return false;
}
function trim(str){
return str.replace(/^\s+|\s+$/g,''); }

function validateCost(Form)
	{
	    
		
		 if(trim(Form.txtFirst.value)=="") {
			alert("Please enter the first name");
			Form.txtFirst.focus();
			return false;
		}
		else if(trim(Form.txtLast.value)=="") {
			alert("Please enter the last name");
			Form.txtLast.focus();
			return false;
		}
		else if(trim(Form.txtEmail.value)=="") {
			alert("Please enter the email address");
			Form.txtEmail.focus();
			return false;
		}
		else if(isEmail(Form.txtEmail)==false) {
			Form.txtEmail.focus();
			return false;
		}
		else if(trim(Form.txtPhone.value)=="") {
			alert("Please enter your phone no.");
			Form.txtPhone.focus();
			return false;
		}
		else if(trim(Form.txtSer.value)=="") {
			alert("Please enter the require service");
			Form.txtSer.focus();
			return false;
		}
		
		else if(trim(Form.txtCompany.value)=="0") {
			alert("Please enter the company name");
			Form.txtCompany.focus();
			return false;
		}
		else if(trim(Form.txtWeb.value)=="") {
			alert("Please enter the website url");
			Form.txtWeb.focus();
			return false;
		}
		else if(trim(Form.txtCountry.value)=="") {
			alert("Please enter your country");
			Form.txtCountry.focus();
			return false;
		}
		else if(trim(Form.txtMessage.value)=="") {
			alert("Please enter your comments");
			Form.txtMessage.focus();
			return false;
		}
		
	}