// cookieForms saves form content of a page.
// use the following code to call it:
//  <body onLoad="cookieForms('open', 'form_1', 'form_2', 'form_n')" onUnLoad="cookieForms('save', 'form_1', 'form_2', 'form_n')">

function cookieForms() {  
	var mode = cookieForms.arguments[0];
	
	for(f=1; f<cookieForms.arguments.length; f++) {
		formName = cookieForms.arguments[f];
		
		if(mode == 'open') {	
			cookieValue = GetCookie('saved_'+formName);
			if(cookieValue != null) {
				var cookieArray = cookieValue.split('#cf#');
				
				if(cookieArray.length == document[formName].elements.length) {
					for(i=0; i<document[formName].elements.length; i++) {
					
						if(cookieArray[i].substring(0,6) == 'select') { document[formName].elements[i].options.selectedIndex = cookieArray[i].substring(7, cookieArray[i].length-1); }
						else if((cookieArray[i] == 'cbtrue') || (cookieArray[i] == 'rbtrue')) { document[formName].elements[i].checked = true; }
						else if((cookieArray[i] == 'cbfalse') || (cookieArray[i] == 'rbfalse')) { document[formName].elements[i].checked = false; }
						else { document[formName].elements[i].value = (cookieArray[i]) ? cookieArray[i] : ''; }
					}
				}
			}
		}
				
		if(mode == 'save') {	
			cookieValue = '';
			for(i=0; i<document[formName].elements.length; i++) {
				fieldType = document[formName].elements[i].type;
				
				if(fieldType == 'password') { passValue = ''; }
				else if(fieldType == 'checkbox') { passValue = 'cb'+document[formName].elements[i].checked; }
				else if(fieldType == 'radio') { passValue = 'rb'+document[formName].elements[i].checked; }
				else if(fieldType == 'select-one') { passValue = 'select'+document[formName].elements[i].options.selectedIndex; }
				else { passValue = document[formName].elements[i].value; }
			
				cookieValue = cookieValue + passValue + '#cf#';
			}
			cookieValue = cookieValue.substring(0, cookieValue.length-4); // Remove last delimiter
			SetCookie('saved_'+formName, cookieValue, exp);		
		}	
	}
}