/*
	Website scripts
	(c) BDesigned Studios
*/

function openWindow(address,winurl,winwidth,winheight) {
	var new_window = window.open(address,winurl,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=' + winwidth + ',height=' + winheight);
}

function popup_centre(popupwidth,popupheight) {
	/* When calling this function supply the width and height of the popup */
	var horizontal = ((screen.availWidth / 2) - (popupwidth / 2));
	var vertical = ((screen.availHeight / 2) - (popupheight / 2));
	window.moveTo(horizontal,vertical);
}

/* Form Jumping */
function MM_jumpMenu(targ,selObj,restore){ //v3.0
	 eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	 if (restore) selObj.selectedIndex=0;
}

function urlencode(str) {
    var histogram = {}, tmp_arr = [];
    var ret = (str+'').toString();
    
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // The histogram is identical to the one in urldecode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    histogram['\u00DC'] = '%DC';
    histogram['\u00FC'] = '%FC';
    histogram['\u00C4'] = '%D4';
    histogram['\u00E4'] = '%E4';
    histogram['\u00D6'] = '%D6';
    histogram['\u00F6'] = '%F6';
    histogram['\u00DF'] = '%DF';
    histogram['\u20AC'] = '%80';
    histogram['\u0081'] = '%81';
    histogram['\u201A'] = '%82';
    histogram['\u0192'] = '%83';
    histogram['\u201E'] = '%84';
    histogram['\u2026'] = '%85';
    histogram['\u2020'] = '%86';
    histogram['\u2021'] = '%87';
    histogram['\u02C6'] = '%88';
    histogram['\u2030'] = '%89';
    histogram['\u0160'] = '%8A';
    histogram['\u2039'] = '%8B';
    histogram['\u0152'] = '%8C';
    histogram['\u008D'] = '%8D';
    histogram['\u017D'] = '%8E';
    histogram['\u008F'] = '%8F';
    histogram['\u0090'] = '%90';
    histogram['\u2018'] = '%91';
    histogram['\u2019'] = '%92';
    histogram['\u201C'] = '%93';
    histogram['\u201D'] = '%94';
    histogram['\u2022'] = '%95';
    histogram['\u2013'] = '%96';
    histogram['\u2014'] = '%97';
    histogram['\u02DC'] = '%98';
    histogram['\u2122'] = '%99';
    histogram['\u0161'] = '%9A';
    histogram['\u203A'] = '%9B';
    histogram['\u0153'] = '%9C';
    histogram['\u009D'] = '%9D';
    histogram['\u017E'] = '%9E';
    histogram['\u0178'] = '%9F';
    
    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);
    
    for (search in histogram) {
        replace = histogram[search];
        ret = replacer(search, replace, ret) // Custom replace. No regexing
    }
    
    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%"+m2.toUpperCase();
    });
    
    return ret;
}

/* Mailing List Sign Up Validation */
function validateContactForm() {
	var errormessage = 'Please ensure that you have completed the following:\n';
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	
	if(
	   (document.contact_form.yourname.value != '') &&
	   (document.contact_form.youremail.value != '') &&
	   (document.contact_form.yourphone.value != '') &&
	   (document.contact_form.yourmessage.value != '') &&
	   (filter.test(document.contact_form.youremail.value))
	) {
			document.contact_form.submit();
	} else {
		if(document.contact_form.yourname.value == '') {
			errormessage += "  > Your name\n";
		}
		if(document.contact_form.youremail.value == '') {
			errormessage += "  > Email address\n";
		} else {
			if((filter.test(document.contact_form.youremail.value)) == false) {
				errormessage += "  > You must enter a valid email address\n";
			}
		}
		if(document.contact_form.yourphone.value == '') {
			errormessage += "  > Your telephone number\n";
		}
		if(document.contact_form.yourmessage.value == '') {
			errormessage += "  > Your message\n";
		}
		
		alert(errormessage);
	}
}