var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)');
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();

function validate(form) {
	var field_messages = {
		'FirstName': 'Please Enter First Name',
		'LastName': 'Please Enter Last Name',
		'Name': 'Please Enter Full Name',
		'Email': 'Please Enter Valid Email Address',
		'Source': 'Please Enter Source',
		'Receive_Updates': 'Please Enter Receive Updates Option',
		'Contact_for_Tour': 'Please Enter Contact for Tour Option'
	}
	var required_fields = {
		contactform: [ 'FirstName', 'LastName', 'Email', 'Source' ],
		landingform: [ 'FirstName', 'LastName', 'Email', 'Source' ],
		sidebarform: [ 'Name',  'Email' ],
		homeform: [ 'Name', 'Email' ]
	}
	for(var i=0; i<required_fields[form].length; i++) {
		var field = required_fields[form][i];
		if(document[form][field].focus()); // default value clear
		var value = document[form][field].value;
		if(
			!value ||
			value == "" ||
			(field == 'Email' && !value.match(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9\-\.]+\.[A-Za-z]{2,4}$/))
		) {
			alert(field_messages[field]);
			return false;
		}
	}
	return true;
}

jQuery(function($) {
	$('.input-cleardefault').each(function() {
		$this = $(this);
		$this.data('default',this.value);
		$this.focus(function() {
			if(this.value == $(this).data('default')) this.value = '';
		});
		$this.blur(function() {
			if(this.value == '') this.value = $(this).data('default');
		});
	
	});
});
