DOMhelp={
	debugWindowId:'DOMhelpdebug',
	init:function(){
		if(!document.getElementById || !document.createTextNode){return;}
	},
	lastSibling:function(node){
		var tempObj=node.parentNode.lastChild;
		while(tempObj.nodeType!=1 && tempObj.previousSibling!=null){
			tempObj=tempObj.previousSibling;
		}
		return (tempObj.nodeType==1)?tempObj:false;
	},
	firstSibling:function(node){
		var tempObj=node.parentNode.firstChild;
		while(tempObj.nodeType!=1 && tempObj.nextSibling!=null){
			tempObj=tempObj.nextSibling;
		}
		return (tempObj.nodeType==1)?tempObj:false;
	},
	getText:function(node){
		if(!node.hasChildNodes()){return false;}
		var reg=/^\s+$/;
		var tempObj=node.firstChild;
		while(tempObj.nodeType!=3 && tempObj.nextSibling!=null || reg.test(tempObj.nodeValue)){
			tempObj=tempObj.nextSibling;
		}
		return tempObj.nodeType==3?tempObj.nodeValue:false;
	},
	setText:function(node,txt){
		if(!node.hasChildNodes()){return false;}
		var reg=/^\s+$/;
		var tempObj=node.firstChild;
		while(tempObj.nodeType!=3 && tempObj.nextSibling!=null || reg.test(tempObj.nodeValue)){
			tempObj=tempObj.nextSibling;
		}
		if(tempObj.nodeType==3){tempObj.nodeValue=txt}else{return false;}
	},
	createLink:function(to,txt){
		var tempObj=document.createElement('a');
		tempObj.appendChild(document.createTextNode(txt));
		tempObj.setAttribute('href',to);
		return tempObj;
	},
	createTextElm:function(elm,txt){
		var tempObj=document.createElement(elm);
		tempObj.appendChild(document.createTextNode(txt));
		return tempObj;
	},
	closestSibling:function(node,direction){
		var tempObj;
		if(direction==-1 && node.previousSibling!=null){
			tempObj=node.previousSibling;
			while(tempObj.nodeType!=1 && tempObj.previousSibling!=null){
				 tempObj=tempObj.previousSibling;
			}
		}else if(direction==1 && node.nextSibling!=null){
			tempObj=node.nextSibling;
			while(tempObj.nodeType!=1 && tempObj.nextSibling!=null){
				 tempObj=tempObj.nextSibling;
			}
		}
		return tempObj.nodeType==1?tempObj:false;
	},
	initDebug:function(){
		if(DOMhelp.debug){DOMhelp.stopDebug();}
		DOMhelp.debug=document.createElement('div');
		DOMhelp.debug.setAttribute('id',DOMhelp.debugWindowId);
		document.body.insertBefore(DOMhelp.debug,document.body.firstChild);
	},
	setDebug:function(bug){
		if(!DOMhelp.debug){DOMhelp.initDebug();}
		DOMhelp.debug.innerHTML+=bug+'\n';
	},
	stopDebug:function(){
		if(DOMhelp.debug){
			DOMhelp.debug.parentNode.removeChild(DOMhelp.debug);
			DOMhelp.debug=null;
		}
	},
	getKey:function(e){
		if(window.event){
	      var key = window.event.keyCode;
	    } else if(e){
	      var key=e.keyCode;
	    }
		return key;
	},
/* helper methods */
	getTarget:function(e){
		var target = window.event ? window.event.srcElement : e ? e.target : null;
		if (!target){return false;}
		while(target.nodeType!=1 && target.nodeName.toLowerCase()!='body'){
			target=target.parentNode;
		}
		return target;
	},
	stopBubble:function(e){
		if(window.event && window.event.cancelBubble){
			window.event.cancelBubble = true;
		} 
		if (e && e.stopPropagation){
			e.stopPropagation();
		}
	},
	stopDefault:function(e){
		if(window.event && window.event.returnValue){
			window.event.returnValue = false;
		} 
		if (e && e.preventDefault){
			e.preventDefault();
		}
	},
	cancelClick:function(e){
		if (window.event){
			window.event.cancelBubble = true;
			window.event.returnValue = false;
		}
		if (e && e.stopPropagation && e.preventDefault){
			e.stopPropagation();
			e.preventDefault();
		}
	},
	addEvent: function(elm, evType, fn, useCapture){
		if (elm.addEventListener){
			elm.addEventListener(evType, fn, useCapture);
			return true;
		} else if (elm.attachEvent) {
			var r = elm.attachEvent('on' + evType, fn);
			return r;
		} else {
			elm['on' + evType] = fn;
		}
	},
	cssjs:function(a,o,c1,c2){
		switch (a){
			case 'swap':
				o.className=!DOMhelp.cssjs('check',o,c1)?o.className.replace(c2,c1):o.className.replace(c1,c2);
			break;
			case 'add':
				if(!DOMhelp.cssjs('check',o,c1)){o.className+=o.className?' '+c1:c1;}
			break;
			case 'remove':
				var rep=o.className.match(' '+c1)?' '+c1:c1;
				o.className=o.className.replace(rep,'');
			break;
			case 'check':
				var found=false;
				var temparray=o.className.split(' ');
				for(var i=0;i<temparray.length;i++){
					if(temparray[i]==c1){found=true;}
				}
				return found;
			break;
		}
	},
    safariClickFix:function(){
      return false;
    }
}
DOMhelp.addEvent(window, 'load', DOMhelp.init, false);

hfv={
	error:[],
	errorMessage:null,
	errorClass:'error',
	errorTitle:'Please fix the following problems:',
	init:function(){
		hfv.mandatory=[];
		hfv.sendButton=document.getElementById('send');
		if(!hfv.sendButton){return;}
		hfv.f=document.getElementsByTagName('form')[0];
		var msgs=hfv.f.elements;
		for(var i=0;i<msgs.length;i++){
			if(DOMhelp.cssjs('check',msgs[i],'mandatory')){
				hfv.mandatory.push(msgs[i].id);
			}
		}
		DOMhelp.addEvent(hfv.f,'submit',hfv.send,false);
	},
	send:function(e){
		hfv.flushErrors();
		for(var i=0;i<hfv.mandatory.length;i++){
			if(!document.getElementById(hfv.mandatory[i])){continue;}
			hfv.checkValue(hfv.mandatory[i]);
		}
		if(hfv.error.length>0){
			hfv.errorMessage=document.createElement('div');
			hfv.errorMessage.className=hfv.errorClass;
			var errorTitle=document.createElement('h2');
			errorTitle.appendChild(document.createTextNode(hfv.errorTitle));
			hfv.errorMessage.appendChild(errorTitle);
			entry=document.createElement('ul');
			hfv.errorMessage.appendChild(errorTitle);
			hfv.errorMessage.appendChild(entry);
			for(i=0;i<hfv.error.length;i++){
				entry=document.createElement('li');
				entry.appendChild(document.createTextNode(hfv.error[i]));
				hfv.errorMessage.getElementsByTagName('ul')[0].appendChild(entry);
			}
			var sendPara=hfv.sendButton.parentNode;	
			sendPara.parentNode.insertBefore(hfv.errorMessage,sendPara);
			DOMhelp.cancelClick(e);		
		}
	},
	flushErrors:function(){
		hfv.error=[];
		if(hfv.errorMessage){
			hfv.errorMessage.parentNode.removeChild(hfv.errorMessage);
			hfv.errorMessage=null;
		}			
	},
	checkValue:function(o){
		var elm=document.getElementById(o);
		switch(elm.type){
			case 'text':
				if(elm.value==''){
					hfv.error.push('Please enter your '+elm.id);
				}
			break;
			case 'textarea':
				if(elm.value==''){
					hfv.error.push('Please enter your '+elm.id);
				}
			break;
			case 'select-one':
				var curelm=elm.options[elm.selectedIndex].value;
				if(elm.selectedIndex==5){
					curelm=document.getElementById('otherSubject').value;
				}
				if(curelm==''){
					hfv.error.push('Please enter a '+elm.id);
				}
			break;
		}				
	}
}
DOMhelp.addEvent(window,'load',hfv.init,false);