// Used with /library/contact/_contact_form.htm

$(document).ready(function() {
	// Add stylesheet for warnings
	$("head").append('<link rel="stylesheet" href="/library/contact/css/contact_form.css" type="text/css" />');
	// Warnings for mandatory fields
	$(".mandatory-field").blur(function() {
		if (this.value == "") {
			$(this).addClass("warning");
		}
	});
	$(".mandatory-field").change(function() {
		if (this.value != "") {
			$(this).addClass("ok-field");
			$(this).removeClass("warning"); 		
		}
	});	
});

function DW_findObj(n, d) { //v4.01
	var p,i,x;  
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=DW_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function DW_validateForm() { //v4.0
	var i,p,q,nm,test,num,min,max,errors='',args=DW_validateForm.arguments;
	for (i=0; i<(args.length-2); i+=3) { 
		test=args[i+2]; val=DW_findObj(args[i]);
		if (val) { 
			nm=val.name; if ((val=val.value)!="") {
				if (test.indexOf('isEmail')!=-1) { 
					p=val.indexOf('@');
					if (p<1 || p==(val.length-1)) errors+='- '+nm+':  must be a valid e-mail address.\n';
				} else if (test!='R') { 
					num = parseFloat(val);
					if (isNaN(val)) errors+='- '+nm+':  must contain a number.\n';
					if (test.indexOf('inRange') != -1) { 
						p=test.indexOf(':');
						min=test.substring(8,p); 
						max=test.substring(p+1);
						if (num<min || max<num) errors+='- '+nm+':  must contain a number between '+min+' and '+max+'.\n';
					} 
				} 
			} else if (test.charAt(0) == 'R') errors += '- '+nm+':  required.\n'; 
		}
	} if (errors) {
		errors = errors.replace(/_/g, " ");
		alert('Oops! \nPlease check the following fields and try again:\n\n'+errors);
	} else {
		hideButton();
	}
	document.DW_returnValue = (errors == '');
}
function hideButton() {
	document.getElementById('submit_button').style.display='none';
	document.getElementById('waiting_gif').style.display='inline';
}