/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		var fail=false;
		if (str.indexOf(at)==-1){
		   fail=true;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   fail=true;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   fail=true;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   fail=true;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   fail=true;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   fail=true;
		 }
		
		 if (str.indexOf(" ")!=-1){
		   fail=true;
		 }

 		if(fail){
			alert("Something's wrong with your email address. Please try again.")
		    return false
		}else{
		    return true					
		}
	}

function ValidateForm(){
	var emailID=document.form.e;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please enter your email address.")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }
 
 function ValidatePaypalForm(){
	var optionID=document.paypalform.os0.selectedIndex;
	
	if ((optionID=="")){
		alert("Please select a date or time slot from the drop-down.")
		return false
	}
	return true
 }