function showDiv(id){
    if( document.getElementById(id).style.display == "block" ) document.getElementById(id).style.display = "none";
    else document.getElementById(id).style.display = "block";
}

function swapNews(show, hide){
    document.getElementById(show).style.display = "block";
    document.getElementById(hide).style.display = "none";
}

function showTabs(tab){
    switch( tab ){
        case "description":
            document.getElementById("features").style.display = "none";
            document.getElementById("specifications").style.display = "none";
            document.getElementById("features_a").className = "";
            document.getElementById("specifications_a").className = "";
            break;
        case "features":
            document.getElementById("description").style.display = "none";
            document.getElementById("specifications").style.display = "none";
            document.getElementById("description_a").className = "";
            document.getElementById("specifications_a").className = "";
            break;
        case "specifications":
            document.getElementById("description").style.display = "none";
            document.getElementById("features").style.display = "none";
            document.getElementById("description_a").className = "";
            document.getElementById("features_a").className = "";
            break;
    }
    document.getElementById(tab + "_a").className = "active";
    document.getElementById(tab).style.display = "block";
}
	function validateLogin(){
		
		var username = document.getElementById('username').value;
		var pword = document.getElementById('pword').value;
		var showError="";

			if (username.indexOf('@') == -1){
				var showError = 'Please enter a valid Email Address';
			}
			if (pword == ''){
				var showError = 'Please enter your Password';
			}
			if (showError != ''){
				alert (showError);
				return false;
			}else{
				return true;
		}
	}
	
	function validateLogin1(){
		
		var username = document.getElementById('username1').value;
		var pword = document.getElementById('pword1').value;
		var showError="";

			if (username.indexOf('@') == -1){
				var showError = 'Please enter a valid Email Address';
			}
			if (pword == ''){
				var showError = 'Please enter your Password';
			}
			if (showError != ''){
				alert (showError);
				return false;
			}else{
				return true;
		}
	}
	
function validateReg(){
	
	var r_name = document.getElementById('r_name').value;
	var r_surname = document.getElementById('r_surname').value;
	var r_email = document.getElementById('r_email').value;
	var r_company = document.getElementById('r_company').value;
	var showError="";
		if (r_name == ''){
			var showError = 'Please enter your Name';
		}
		if (r_surname == ''){
			var showError = 'Please enter your Surname';
		}
		if (r_email.indexOf('@') == -1){
			var showError = 'Please enter a valid Email Address';
		}
		if (r_company == ''){
			var showError = 'Please enter a Company';
		}
		if (showError != ''){
			alert (showError);
			return false;
		}else{
			return true;
	}
}

function validatePword(){
	var p_username = document.getElementById('p_username').value;
	var showError="";

		if (p_username.indexOf('@') == -1){
			var showError = 'Please enter a valid Email Address';
		}
		if (showError != ''){
			alert (showError);
			return false;
		}else{
			return true;
	}
}

function deleteFile(id){
	var delFile = confirm("Do you want to delete this file?");
	if(delFile == true){
		document.location.href='index.php?section=13&do=del&file='+id;
	}
}

function show_map(){
	document.getElementById("map_div").style.visibility = 'visible';
}
function hide_map(){
	parent.document.getElementById("map_div").style.visibility = 'hidden';
}

function validateEmastering(){
	
	if(document.getElementById('master').checked == true){
		var master = document.getElementById('master').value;	
	}else{
		var master = '';
	}
	if(document.getElementById('refcd').checked == true){
		var refcd = document.getElementById('refcd').value;
	}else{
		var refcd = '';
	}
	
		var name = escape(document.getElementById('first_name').value);
		var surname = escape(document.getElementById('last_name').value);
		var email = document.getElementById('email').value;
		var telephone = escape(document.getElementById('telephone').value);
		var num_tracks = document.getElementById('num_tracks').value;
		var comments = escape(document.getElementById('comments').value);
		var address1 = escape(document.getElementById('address1').value);
		var address2 = escape(document.getElementById('address2').value);
		var city = escape(document.getElementById('city').value);
		var postcode = escape(document.getElementById('zip').value);
		var showError="";
		
			if (name == ''){
				var showError = 'Please enter a name';
			}
			if (surname == ''){
				var showError = 'Please enter a surname';
			}
			if (email.indexOf('@') == -1){
				var showError = 'Please enter a valid email address';
			}
			if (telephone == ''){
				var showError = 'Please enter a telephone number';
			}
			if(address1 == ''){
				var showError = 'Please fill in a delivery address';
			}
			if(address2 == ''){
				var showError = 'Please complete a delivery address';
			}
			if(city == ''){
				var showError = 'Please enter a city';
			}
			if(postcode == ''){
				var showError = 'Please enter a postcode';
			}
			if (num_tracks == '' || isNaN(num_tracks)){
				var showError = 'Please enter number of tracks';
			}else{
				var vat = 45 * 0.20;
				var tracktot = 45 + vat;
				document.getElementById('amount_1').value = tracktot;
				document.getElementById('quantity_1').value = num_tracks;
			}
			if(refcd == 'refcd'){
				var refcd_items = escape('Ref CD');
				document.getElementById('item_name_2').value = 'Ref CD inclusive of VAT';
				document.getElementById('amount_2').value = '28.75';
			}else{
				var refcd_items = '';
			}
			if(master == 'master'){
				if(document.getElementById('refcd').checked == true){
					var num = 3;	
				}else{
					var num = 2;	
				}
				var master_items = escape('Master');
				document.getElementById('item_name_'+num).value = 'Master inclusive of VAT';
				document.getElementById('amount_'+num).value = '28.75';
			}else{
				var master_items = '';
			}
				
			if (showError != ''){
				alert (showError);
				return false;
			}else{
				ajax("ajax/email.php", "type=emastering&name="+name+"&surname="+surname+"&email="+email+"&telephone="+telephone+"&num_tracks="+num_tracks+"&address1="+address1+"&address2="+address2+"&city="+city+"&postcode="+postcode+"&comments="+comments+"&master_items="+master_items+"&refcd_items="+refcd_items);
				return true;
		}
		return false;
	}
	
	function validateDuplication(){
		
		var name = document.getElementById('first_name').value;
		var surname = document.getElementById('last_name').value;
		var email = document.getElementById('email').value;
		var telephone = document.getElementById('telephone').value;
		var cd_onbody = document.getElementById('cd_onbody').value;
		var quantityb = document.getElementById('quantityb').value;
		var quantitycolor = document.getElementById('quantitycolor').value;
		var address1 = document.getElementById('address1').value;
		var address2 = document.getElementById('address2').value;
		var city = document.getElementById('city').value;
		var postcode = document.getElementById('zip').value;
		var comments = escape(document.getElementById('comments').value);
		var showError="";
		
			if (name == ''){
				var showError = 'Please enter your name';
			}
			if (surname == ''){
				var showError = 'Please enter your surname';
			}
			if (telephone == ''){
				var showError = 'Please enter your telephone number';
			}
			if (email.indexOf('@') == -1){
				var showError = 'Please enter a valid email address';
			}
			if(cd_onbody != ''){
				if(cd_onbody == 'black'){
					if(quantityb == ''){
						var showError = 'Please select a quantity';
					}else{
						var items = 'Black text on silver';
						var quantity = quantityb;
						if(quantityb == '50'){
							var price = '40';
							document.getElementById('amount_1').value = '40';
							document.getElementById('item_name_1').value = quantityb+' black text on silver';
							document.getElementById('amount_2').value = 40 * 0.20;
						}
						if(quantityb == '100'){
							var price = '65';
							document.getElementById('amount_1').value = '65';
							document.getElementById('item_name_1').value = quantityb+' black text on silver';
							document.getElementById('amount_2').value = 65 * 0.20;
						}
						if(quantityb == '200'){
							var price = '115';
							document.getElementById('amount_1').value = '115';
							document.getElementById('item_name_1').value = quantityb+' black text on silver';
							document.getElementById('amount_2').value = 115 * 0.20;
						}
					}
				}
				if(cd_onbody == 'full'){
					if(quantitycolor == ''){
						var showError = 'Please select a quantity';
					}else{
						var items = 'Full colour';
						var quantity = quantitycolor;
						if(quantitycolor == '50'){
							var price = '57.50';
							document.getElementById('amount_1').value = '60';
							document.getElementById('item_name_1').value = quantitycolor+' full colour';
							document.getElementById('amount_2').value = 57.50 * 0.20;
						}
						if(quantitycolor == '100'){
							var price = '100';
							document.getElementById('amount_1').value = '100';
							document.getElementById('item_name_1').value = quantitycolor+' full colour';
							document.getElementById('amount_2').value = 100 * 0.20;
						}
						if(quantitycolor == '200'){
							var price = '185';
							document.getElementById('amount_1').value = '185';
							document.getElementById('item_name_1').value = quantitycolor+' full colour';
							document.getElementById('amount_2').value = 185 * 0.20;
						}
					}
				}
			}else{
				var showError = 'Please select CD onbody';
			}
			if(address1 == ''){
				var showError = 'Please fill in a delivery address';
			}
			if(address2 == ''){
				var showError = 'Please complete a delivery address';
			}
			if(city == ''){
				var showError = 'Please enter a city';
			}
			if(postcode == ''){
				var showError = 'Please enter a postcode';
			}
			if (showError != ''){
				alert (showError);
				return false;
			}else{
				ajax("ajax/email.php", "type=duplication&name="+name+"&surname="+surname+"&email="+email+"&telephone="+telephone+"&quantity="+quantity+"&items="+items+"&price="+price+"&address1="+address1+"&address2="+address2+"&city="+city+"&postcode="+postcode+"&comments="+comments);
				return true;
		}
	
		return false;
	}
	
	function showhide_bdiv() {
		document.getElementById('colordiv').style.display = 'none';
		document.getElementById('bdiv').style.display = 'table-row';
	}
	
	function showhide_colordiv() {
		document.getElementById('colordiv').style.display = 'table-row';
		document.getElementById('bdiv').style.display = 'none';
	}
	
	function validateContact(){
		
		var name = document.getElementById('name').value;
		var email = document.getElementById('email').value;
		var message = document.getElementById('message').value;
		var subject = document.getElementById('subject').value
		
		var showError="";
		
			if (name == ''){
				var showError = 'Please enter your name';
			}
			if (email.indexOf('@') == -1){
				var showError = 'Please enter a valid email address';
			}
			if (subject == ''){
			var showError = 'Please enter a message subject';
			}
			if (message == ''){
				var showError = 'Please enter a message';
			}
			if (showError != ''){
				alert (showError);
				return false;
			}else{
		//rp_contact.submit();
				return true;
		}
	}
	function product_check(){
		
		if(document.getElementById('refcd').checked == true){
			var num = 3;	
		}else{
			var num = 2;	
		}
		
		
		if (document.getElementById('refcd').checked == true){
			document.getElementById('refcd_div').innerHTML = "<input type='hidden' name='item_name_2' id='item_name_2' value='0'><input type='hidden' name='amount_2' id='amount_2' value='0'><input type='hidden' name='quantity_2' value='1'><input type='hidden' name='shipping_2' value='0' /><input type='hidden' name='shipping2_2' value='0' /><input type='hidden' name='handling_2' value='0' />";
		}else{
			document.getElementById('refcd_div').innerHTML = "";
		}
		if (document.getElementById('master').checked == true){
			document.getElementById('master_div').innerHTML = "<input type='hidden' name='item_name_"+num+"' id='item_name_"+num+"' value='0'><input type='hidden' name='amount_"+num+"' id='amount_"+num+"' value='0'><input type='hidden' name='quantity_"+num+"' value='1'><input type='hidden' name='shipping_"+num+"' value='0' /><input type='hidden' name='shipping2_"+num+"' value='0' /><input type='hidden' name='handling_"+num+"' value='0' />";
		}else{
			document.getElementById('master_div').innerHTML = "";
		}
	}
	
	function showthis(){
		if(document.getElementById('cd_onbody').value == 'black') showhide_bdiv();
		if(document.getElementById('cd_onbody').value == 'full') showhide_colordiv();
	}