function valid_advancevenue(){
	
		
		if(document.contactadform.Event_Location.value==""){
			alert("Please Enter Preferred Location");
			document.contactadform.Event_Location.focus();
			return false;
		}
		if(document.contactadform.Number_of_Delegates.value==""){
			alert("Please Enter Number of Delegates");
			document.contactadform.Number_of_Delegates.focus();
			return false;
		}
		
		if(document.contactadform.SDates.value==""){
			alert("Please Enter Start Date");
			document.contactadform.SDates.focus();
			return false;
		}
		
		if(document.contactadform.EDates.value==""){
			alert("Please Enter End Date");
			document.contactadform.EDates.focus();
			return false;
		}
		
		
		
		
		if(document.contactadform.Details.value==""){
			alert("Please Enter Event Information");
			document.contactadform.Details.focus();
			return false;
		}
		if(document.contactadform.Budget.value==""){
			alert("Please Enter Approx Budget");
			document.contactadform.Budget.focus();
			return false;
		}
		if(document.contactadform.Name.value==""){
			alert("Please Enter  Name");
			document.contactadform.Name.focus();
			return false;
		}
		if(document.contactadform.Phone.value==""){
			alert("Please Enter Phone Number");
			document.contactadform.Phone.focus();
			return false;
		}
		if(document.contactadform.Email.value==""){
			alert("Please Enter Email");
			document.contactadform.Email.focus();
			return false;
		}
		if(document.contactadform.Email.value!=""){
                var email = document.contactadform.Email.value;
                if(!email.match(/^[A-Za-z0-9\._\-+]+@[A-Za-z0-9_\-+]+(\.[A-Za-z0-9_\-+]+)+$/)){
                	alert("Incorrect Email Address..");
                	document.contactadform.Email.focus();
                	return false;
                }
		}
		
				
	}