var IE4 = (document.all) ? 1 : 0;
var NS4 = (document.layers) ? 1 : 0;
var ver4 = (IE4 || NS4) ? 1 : 0;

var currentimg = "";

function changeMenu(layerName, img) {
	var thisform;
	var layerSize;
	var layerMenu;
	var menuLocation;
/*
	if ( currentimg != img && currentimg != '' ) {
//		document.images[currentimg].src = "images/" + currentimg + ".gif";
		oldimg = currentimg;
		currentimg = img;
	}
*/
	if ( currentimg != '' ) {
//		document.images[currentimg].src = "images/" + currentimg + ".gif";
		var src = document[img].src;
		var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
		document.images[currentimg].src = "images/" + currentimg + ".gif";
	}
	currentimg = img;

//alert('test1');
	if ( NS4 ) {
//alert('test2');
		layerSize = self.document.layers['menu'].document.layers.length;
		layerMenu = self.document.layers['menu'].document.layers;
	} else if ( IE4 ) {
		layerSize = self.document.all.tags('div').length;
		layerMenu = self.document.all.tags('div');
	}

	for ( var i=0; i<layerSize; i++ ) {
		if ( NS4 ) {
//alert(layerSize);
			if ( layerMenu[i].name != layerName ) {
//				alert(layerMenu[i].name);
				layerMenu[i].visibility = 'hide';
			} else {
//				alert(layerMenu[i].name);
				layerMenu[i].visibility = 'show';
			}
		} else {
			if ( layerMenu[i].id != layerName ) {
//				alert('invisible = ' + layerMenu[i].id);
				layerMenu[i].style.visibility = 'hidden';
			} else {
				layerMenu[i].style.visibility = 'visible';
//				alert('visible = ' + layerMenu[i].id + ', visibility = ' + layerMenu[i].style.visibility);
			}
		}
	}
}

function mover(layer,img) {
	if (NS4) {
		if ( layer == '' ) {
//			document.images[img].src = "images/" + img + "on.gif";
			var src = document[img].src;
			var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
//alert(lang);
			document[img].src= "images/" + img + "on.gif";
////		} else if ( layer == 'menu' ) {
////			document.layers[layer].document.images[img].src= "images/" + img + "on.gif";
		} else {
//			document.layers['menu'].document.layers[layer].document.images[img].src = "images/" + img + "on.gif";
			var src = document.layers['menu'].document.layers[layer].document.images[img].src;
			var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
//alert(lang);
			document.layers['menu'].document.layers[layer].document.images[img].src = "images/" + img + "on.gif";
		}
	}	else if (IE4) {
//		document.images[img].src = "images/" + img + "on.gif";
		var src = document[img].src;
		var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
//alert(lang);
		document.images[img].src = "images/" + img + "on.gif";
	}
}

function mout(layer,img) {
	if ( currentimg != img ) {
//alert("currentimg = " + currentimg);
//alert("img = " + img);
		if (NS4) {
			if ( layer == '' ) {
//				document.images[img].src = "images/" + img + ".gif";
				var src = document[img].src;
				var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
				document[img].src= "images/" + img + ".gif";
////			} else if ( layer == 'menu' ) {
////				document.layers[layer].document.images[img].src = "images/" + img + ".gif";
			} else {
//				document.layers['menu'].document.layers[layer].document.images[img].src = "images/" + img + ".gif";
				var src = document.layers['menu'].document.layers[layer].document.images[img].src;
				var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
				document.layers['menu'].document.layers[layer].document.images[img].src = "images/" + img + ".gif";
			}
		}	else if (IE4) {
//			document.images[img].src = "images/" + img + ".gif";
			var src = document[img].src;
//alert(src);
			var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
			document.images[img].src = "images/" + img + ".gif";
		}
	}
}

function search(f) {
	txt = trim(f.searchtxt.value);
	if(txt=="") {
		alert("Please enter book title");
		return false;
	}
	else {
		frmSearchBox = document.searchboxform;
		frmSearchBox.txtProName.value = txt;
		return true;
	}
	 
}

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
	  retValue = retValue.substring(1, retValue.length);
	  ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
	  retValue = retValue.substring(0, retValue.length-1);
	  ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
	  retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
} // Ends the "trim" function









<!-- Hide from old browsers
// Check browser
var browser;
if (  (navigator.appName.indexOf('Microsoft') != -1) &&
      (navigator.appVersion.indexOf('3') != -1)) {
    browser = "ie3";
} 
else{ 
    browser = "ok";
}

function PMouseOver(img){
        if (browser == "ok"){
//            document[img].src="images/" + img + "on.gif";
						var src = document[img].src;
						var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('/images/project.wedding/') + 26);
//						alert(lang);
            document[img].src="images/" + img + "on.gif";
   	}
}

function PMouseOut(img){
        if (browser == "ok"){
//            document[img].src="images/" + img + ".gif";
						var src = document[img].src;
						var lang = src.substring(src.indexOf('images/') + 24, src.indexOf('images/') + 26);
//						alert(lang);
            document[img].src= "images/" + img + ".gif";
   	}
}

/*
function PMouseOver(img){
        if (browser == "ok"){
            document[img].src="images/" + img + "on.gif";
   	}
}

function PMouseOut(img){
        if (browser == "ok"){
            document[img].src="images/" + img + ".gif";
   	}
}
*/


// end hide-->