/* icograma functions 2006 // santiago bustelo, www.icograma.com */

function rmHelpValue(t){var v=t.value;if(v.indexOf("@example.com")>-1){t.value="";};}

function checkForm(f){
if(!document.getElementById){return;}
var oktosend=true;var fs=f.elements

for(var i=0;i<fs.length;i++){
	if(fs[i].type&&fs[i].name){

	//get field value
	var ftype=fs[i].type;var efilter=false
	if(ftype=="text"||ftype=="textarea"){
		v=fs[i].value
		}else if(ftype=="select-one"||ftype=="select-multiple"){
		v=fs[i][fs[i].selectedIndex].value
		}else if(ftype=="checkbox"){
		v=fs[i].checked
		//alert(v)
		}else{
		v="!"//other types, don't check
		}
		var isfilled=isvalid=(v!="");
	
	//special fields:
		if(fs[i].name&&fs[i].name.indexOf("mail")>-1){ftype="email";efilter=true;}
		if(efilter){isvalid=isValidField(v,ftype);}
	
	//is required, or need to check if filled?
	var reqelm=FindClassUp(fs[i],"required","form")
	if(!reqelm&&efilter&&isfilled){
		reqelm=FindClassUp(fs[i],"field","form");
		if(!reqelm){reqelm=fs[i];}
		}
	
	if(!isvalid&&reqelm){
		if(oktosend&&(ftype.indexOf("mail")>-1||ftype.indexOf("text")>-1||ftype.indexOf("select")>-1) ){fs[i].select();}
		oktosend=false
		fs[i].onclick=rmErrorClass;/*fs[i].onfocus=rmErrorClass;*/fs[i].onkeydown=rmErrorClass;
		AddClass(reqelm,"error");
	}
	}//end filter fs
}//end for i in fs
return oktosend;
}

function rmErrorClass(event){
var elm=this;var etag=FindClassUp(elm,"error","form");if(!etag){etag=FindClassUp(elm,"field","form");};if(!etag){etag=elm}
if(etag){KillClass(etag,"error");elm.onclick=null;elm.onfocus=null;elm.onkeyup=null}
}

function isValidField(t,k){
if(k=="email"){
	if( t.indexOf("@example.com")>-1){return false;};
	var emailFilter=/^.+@.+\..{2,}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/
	if(!(emailFilter.test(t))||t.match(illegalChars)){return(false);}else{return (true);}
	return false
	}//end email
}


function FindClassUp(p,classname,limit){
if(!limit){limit="html";}else{limit=limit.toLowerCase();}
while(true){
	p=p.parentNode;if(!p.tagName||p.tagName.toLowerCase()==limit){return false;}
	if(HasClass(p,classname)){return p;};
	}
}



//*** This code is copyright 2002-2003 by Gavin Kistner and Refinery; www.refinery.com
//*** It is covered under the license viewable at http://phrogz.net/JS/_ReuseLicense.txt
function AddClass(obj,cName){KillClass(obj,cName);return obj&&(obj.className+=(obj.className.length>0?' ':'')+cName);}
function KillClass(obj,cName){return obj&&(obj.className=obj.className.replace(new RegExp("^"+cName+"\\b\\s*|\\s*\\b"+cName+"\\b",'g'),''));}
function HasClass(obj,cName){return(!obj||!obj.className)?false:(new RegExp("\\b"+cName+"\\b")).test(obj.className);}