//////////////////////////////////////
//									//
// javascript podocentrum nederland //
//									//
//////////////////////////////////////

function form_checker(which) {
	var pass=true;
	var passemail=true;
	if (document.images) {
		for (i=0;i<which.length;i++) {
		var tempobj=which.elements[i];
			if (tempobj.name.substring(0,2)=="r_") {
				if (((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="select"||tempobj.type=="radio")&&
					tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
					tempobj.selectedIndex==0)) {
					pass=false;
					break;
				}

				if (tempobj.name=="r_email") {
					if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.r_email.value)) {
						passemail=false;
						break;
					}
				}
			}
		}
	}
	if (!pass || !passemail) {
		document.getElementById("error").style.display = "block";
		document.getElementById("blur").style.display = "block";
		return false;
	} else {
		document.getElementById("error").style.display = "none";
		document.getElementById("blur").style.display = "none";
		return true;
	}
}


function set_cookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}


function get_cookie(name) {
	var name_eq = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(name_eq) == 0) return c.substring(name_eq.length,c.length);
	}
	return null;
}

if(get_cookie("page_size") != null) {
	document.write('<style>');
	document.write('body{');
	document.write('font-size:'+ get_cookie("page_size") + 'em');
	document.write('}');
	document.write('<\/style>');
} else {
	document.write('<style>');
	document.write('body{');
	document.write('font-size: 0.72em');
	document.write('}');
	document.write('<\/style>');
}