var blank = new Image();
blank.src = '/my-templates/forestandbird/imgs/blank.gif';

$(document).ready(function() {
   var isIE = (/MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == "Win32");
   if (isIE) {
     // get all pngs on page
     $('img[src$=.png]').each(function() {
       if (!this.complete) {
         this.onload = function() { fixPng(this) };
       } else {
         fixPng(this);
       }
     });
	 
	/* Add class to element onhover as needed  */
	$(".main-nav li").hover (
  	function () {
    	$(this).addClass("nav-on-ie");
  	},
  	function () {
    	$(this).removeClass("nav-on-ie");
  	}
	);

	$("#local-nav li").hover (
  	function () {
    	$(this).addClass("ie-local-on");
  	},
  	function () {
    	$(this).removeClass("ie-local-on");
  	}
	);

	$("button.btn-search").hover (
  	function () {
    	$(this).addClass("btn-search-ie");
  	},
  	function () {
    	$(this).removeClass("btn-search-ie");
  	}
	);
 
	}

/* Clear form input field onfocus */
$.fn.search = function() {
	return this.focus(function() {
		if( this.value == this.defaultValue ) {
			this.value = "";
		}
	}).blur(function() {
		if( !this.value.length ) {
			this.value = this.defaultValue;
		}
	});
};
$("#site-search").search();

});

 function fixPng(png) {
   // get src
   var src = png.src;
   // set width and height
   if (!png.style.width) { png.style.width = $(png).width(); }
   if (!png.style.height) { png.style.height = $(png).height(); }
   // replace by blank image
   png.onload = function() { };
   png.src = blank.src;
   // set filter (display original image)
   png.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
 }