function change_texts_me(){
	$('td1').hide();
	$('td2').hide();
	$('td3').hide();
	$('td4').hide();
}

function change_texts_friend(){
	$('td1').show();
	$('td2').show();
	$('td3').show();
	$('td4').show();
}

function setValues(){
	var course_prices= new Array();
	var course_styles= new Array();
	course_prices["Level I"]=course_styles["Regular"]="595";
	course_prices["Level II"]=course_styles["Semi-Private"]="795";
	course_prices["Level I"]=course_styles["regular"]="595";

	courseName = document.reg_form.courseType.options[document.reg_form.courseType.selectedIndex].value
	courseStyle = document.reg_form.courseStyle.options[document.reg_form.courseStyle.selectedIndex].value
	alert(courseName);
	alert(courseStyle);
	
}
function setPrice(){
	var form =$('giftC_form');
	var gift_type=form['gift_type'];
	var gift_typeCount=gift_type.length;
	var value="";
	for(x=0;x<gift_typeCount;x++){
		if(gift_type[x].checked){
			value=gift_type[x].value;
		}
	}
	price$=value.split(":");
	price=price$[1].split("$");
	
	
	gst=1.05;
	total=gst*price[1];
	alert(total);
	document.getElementById("total").value=total;
}

function validation(){
	
	var error="";
	var isChecked=false;
	var fname=$('first_name').value;
	var lname=$('last_name').value;
	var email=$('email').value;
	var number=$('number').value;
	var cli_fname=$('client_first_name').value;
	var cli_lname=$('client_last_name').value;
	
	var date_day=$('date_day').value;
	var date_month=$('date_month').value;
	var date_year=$('date_year').value;
	var form =$('appointment_form');
	var name= fname+" "+lname;
	var massages=form['massage'];
	var massagesCount=massages.length;

	
	for(x=0;x<massagesCount;x++){
		
		if(massages[x].checked){
			isChecked=true;	
		}
	}
	if($('td1').visible()==false){
		if(date_day=="" || date_day=="DD" || date_month=="" || date_month=="MM" || date_year=="" || date_year=="YYYY" || fname=="" || lname=="" || email=="" || number=="" || isChecked==false){
			error="Please assure all fields are field out \n";	
		}
		else{
			
			if(echeck(email)==false){
				error=error+"Your email is invalid \n";	
			}
			else{
				return true;	
			}
		}
	}
	if($('td1').visible()==true){
		if(cli_fname=="" || cli_lname=="" ||date_day=="" || date_day=="DD" || date_month=="" || date_month=="MM" || date_year=="" || date_year=="YYYY" || fname=="" || lname=="" || email=="" || number=="" || isChecked==false){
			error="Please assure all fields are field out \n";	
		}
		else{
			
			if(echeck(email)==false){
				error=error+"Your email is invalid \n";	
			}
			else{
				return true;	
			}
		}
	}
	alert(error);
	return false;
}


function echeck(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		//alert("Invalid E-mail ID")
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		//alert("Invalid E-mail ID")
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 return true					
}