// JavaScript Document


jQuery.Validate= {
	
	options: {
		errorClass : 'fieldWithErrors'
	},
	
	messages: {
		required : 'This field is required',
		email : 'This is not a valid email',
		matches : 'Value does not match',
		url : 'This is not a valid url'
		
	},
	
	required : function(val){
		return $.trim(val) == "" ? false : true;
	},
	
	email: function(val){
		var regexp = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
		return regexp.test(val);
	},
	
	matches: function(val, test){
		return val == test ? true : false;	
	},
	
	url: function(val){
		var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
		return regexp.test(val);
	}
}


jQuery.fn.validate = function(){
	
	$(this).submit( function(e){
		e.preventDefault();
		$(this).attr('validationpassed', 'yes');
		var form = $(this);
		var val, msg;
		$(this).find('input[validation], select[validation], textarea[validation]').each( function(){
			$($(this).parent()).removeClass(jQuery.Validate.options.errorClass);		
			$($(this).parent()).find('.errorMessage').remove();
			if( $(this).attr('placeholder') == this.value ) this.value = '';
			val = this.value;
			var str = $(this).attr('validation').split(' ');
			var func = str[0];
			var arg = str.length > 1 ? str[1] : '';
			if( arg.indexOf('$') == 0 ){
				arg = arg.replace('$', '');
				arg = $(arg).attr('value');
			}
			if( jQuery.Validate[func](val, arg) === false ){
				form.attr('validationpassed', 'no');
				$($(this).parent()).addClass(jQuery.Validate.options.errorClass);
				if( $(this).attr('errorMessage') == undefined ){
					msg = jQuery.Validate.messages[func];
				}else{
					msg = 	$(this).attr('errorMessage')
				}
				$($(this).parent()).prepend('<p class="errorMessage">'+msg+'</p>');
			}
		});
		if( $(this).attr('validationpassed') == 'yes' ){
			$(this).trigger('validationPassed');	
		}
		
	});
	
}





$(document).ready( function(){
							
	$('input[placeholder]').each( function(){
		$(this).focus( function(){
			if( this.value == $(this).attr('placeholder') ) this.value = '';						
		});
		$(this).blur( function(){
			if( jQuery.trim(this.value) == '' ) this.value = $(this).attr('placeholder');						
		});
		if( jQuery.trim(this.value) == '' ){
			this.value = $(this).attr('placeholder');			
		}
	});
	$('textarea[placeholder]').each( function(){
		$(this).focus( function(){
			if( this.value == $(this).attr('placeholder') ) this.value = '';						
		});
		$(this).blur( function(){
			if( jQuery.trim(this.value) == '' ) this.value = $(this).attr('placeholder');						
		});
		if( jQuery.trim(this.value) == '' ){
			this.value = $(this).attr('placeholder');			
		}
	});
	
	$('.initial-column').each( function(){
		var cols = $(this).parent().children('.other-column');
		var paras = $(this).children('p');
		var each = Math.floor(paras.length / (cols.length + 1) );
		var remainder = paras.length - ( (cols.length + 1) * each) ;
		paras.detach();
		$(this).add(cols).each( function(a){
			var first = a * each;
			var last = first + (each - 1);
			if(remainder > 0){
				if(a==0){
					last = last + remainder;
				}else{
					first = first + remainder;
					last = last + remainder;
				}
				
			}
			for(var i=first; i<(last+1); i++){
				$(this).append( $(paras[i]) );	
			}
		});
	});
	
	$('form[validate]').validate();
								
							
});




jQuery.stickyFooterFunction = function(footer, selector){
	$(selector).css('height', 'auto');
	$(footer).attr( 'footerElement', 'yes' );
	var footerHeight, docHeight, windowHeight;
	footerHeight = docHeight = 0;
	windowHeight = $(window).height();
	$('body').children().each( function(){
		if( $(this).attr('footerElement') )  footerHeight = $(this).height();
		docHeight = docHeight + $(this).outerHeight(true);
	});
	var diff = windowHeight - docHeight;
	if( diff > 0 ) $(selector).height($(selector).height() + diff);
}


jQuery.fn.stickyFooter = function(selector){
	var el = this;
	jQuery.stickyFooterFunction(el, selector);							
	$(window).resize( function(){
		jQuery.stickyFooterFunction(el, selector);						   
	});
	
	
};

jQuery.transparentPNG = {
	
	replaceIMG: function(img){
		var src = img.src;
		img.src = 'images/blank.gif';
		$(img).css('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizingMethod='scale')");
	},
	
	replaceEle: function(el){
		var src = $(el).css('background-image');
		src = src.replace('url(', '').replace(')', '');
		$(el).css('background-image', 'none')
			 .css('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizingMethod='scale')");
	}
}

							
							
jQuery.fn.transparentPNG = function(blankimg){
	if( blankimg == undefined ) blankimg = 'images/blank.gif';
	this.each( function(){
		if( this.nodeName == 'IMG' ){
			jQuery.transparentPNG.replaceIMG(this);	
		}else{
			jQuery.transparentPNG.replaceEle(this);	
		}
	});
}