/**
	* Check whether string s is empty.
	**/
	function isEmpty(s) {   
		return ((s == null) || (s.length == 0))
	}
	
	/**
	*  Returns true if character c is a digit (0 .. 9).
	**/
	function isDigit (c)
	{   return ((c >= "0") && (c <= "9"))
	}

	/**
	*  Function formats the string based on the function arguments
	**/
	function reformat (s){
	    var arg;
	    var sPos = 0;
	    var argPos=0;
	    var resultString = "";
	
	    for (var i = 1; i < reformat.arguments.length; i++) {
	       arg = reformat.arguments[i];
	       if (i % 2 == 1) {
	       		if(argPos < s.length)
	       		resultString += arg;
	       }
	       else {
	           resultString += s.substring(sPos, sPos + arg);
	           sPos += arg;
	           argPos+=arg;
	       }
	    }
	    return resultString;
	}
	
	
	
	
	
	
	
	function MM_findObj(n, d) { //v4.0
		var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
		}
		if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
		if(!x && document.getElementById) x=document.getElementById(n); return x;
	}
	
	function MM_preloadImages() { //v3.0
		var d=document; 
		if(d.images) {
			if(!d.MM_p) d.MM_p=new Array();
				var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
			for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0) {
				d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
			}
		}
	}
	
	function MM_swapImgRestore() { //v3.0
		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}
	
	<!--
	function MM_reloadPage(init) {  //reloads the window if Nav4 resized
		if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
			document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
		else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
	}
	MM_reloadPage(true);
	// -->
	
	function MM_swapImage() { //v3.0
		var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	
	function MM_showHideLayers() { //v3.0
		var i,p,v,obj,args=MM_showHideLayers.arguments;
		for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
			obj.visibility=v; }
	}
	
	function MM_setTextOfTextfield(objName,x,newText) { //v3.0
		var obj = MM_findObj(objName); if (obj) obj.value = newText;
	}
	
	var subcat1on = "../../images/nav/btn_furniture_on.gif";
	var subcat2on = "../../images/nav/btn_bedding_on.gif";
	var subcat3on = "../../images/nav/btn_rugs_on.gif";
	var subcat4on = "../../images/nav/btn_windows_on.gif";
	var subcat5on = "../../images/nav/btn_lighting_on.gif";
	var subcat6on = "../../images/nav/btn_organization_on.gif";
	var subcat7on = "../../images/nav/btn_accessories_on.gif";
	var subcat8on = "../../images/nav/btn_collections_on.gif";
	var subcat9on = "../../images/nav/btn_sale_on.gif";
	var subcat10on = "../../images/nav/btn_whatsnew_on.gif";
	var subcat11on = "../../images/nav/btn_gifts_on.gif";
	var subcat12on = "../../images/nav/btn_easyroomupdates_on.gif";
	var subcat13on = "../../images/nav/btn_rooms_on.gif";
	var subcat14on = "../../images/nav/btn_roomdesigner_on.gif";

	function WS_initialize() {
		WS_hideall ();
		MM_swapImgRestore();
	}
	
	function WS_hideall() {
		MM_showHideLayers('subcatlayer1','','hide');
		MM_showHideLayers('subcatlayer2','','hide');
		MM_showHideLayers('subcatlayer3','','hide');
		MM_showHideLayers('subcatlayer4','','hide');
		MM_showHideLayers('subcatlayer5','','hide');
		MM_showHideLayers('subcatlayer6','','hide');
		MM_showHideLayers('subcatlayer7','','hide');
		MM_showHideLayers('subcatlayer8','','hide');
		MM_showHideLayers('subcatlayer9','','hide');
		MM_showHideLayers('subcatlayer10','','hide');
		MM_showHideLayers('subcatlayer11','','hide');
		MM_showHideLayers('subcatlayer12','','hide');
		MM_showHideLayers('subcatlayer13','','hide');
		MM_showHideLayers('subcatlayer14','','hide');
	}
	
	var WS_menu=null;
	
	function WS_doinSubCat(num,switchOn) {
		MM_swapImgRestore();
		MM_swapImage('subcat' + num,'',switchOn,1);
		MM_showHideLayers('subcatlayer' + num,'','show');
		MM_showHideLayers('catlayer' + num,'','show');
		if (WS_menu != null) {window.clearTimeout(WS_menu);}
	}
	
	function WS_dooutSubCat(num) {
		if (WS_menu != null) {window.clearTimeout(WS_menu);}
		WS_menu=window.setTimeout('WS_initialize()',500);
	}

	var agt  = navigator.userAgent.toLowerCase();
	var nav4 = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
	         && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
					 && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)
					 && (parseInt(navigator.appVersion) == 4));
					 
					 
	
	
					 
		/**
	* Validates the String with the US phone number and 
	* formats to (xxx)xxx-xxxx
	* Rajib (rajirdas@in.ibm.com )
	**/
	function checkUSPhone (phoneNoObj)
	{
	   var phoneNoVal=phoneNoObj.value;
	   if (isEmpty(phoneNoVal)) return true;

       var normalizedPhone ="";
	   //Strip all the characters except the numbers
	   for (i = 0; i < phoneNoVal.length; i++)
	   {
	   	 // Check that current character is number.
		 var c =phoneNoVal.charAt(i);
		 if (isDigit(c)) normalizedPhone += c;
	   }
	
	   if (( normalizedPhone.length > 3 )	&&  ( normalizedPhone.length <= 6 ) )
	   {
	   	  var len=normalizedPhone.length - 3;
		  phoneNoObj.value=reformat (normalizedPhone, "(", 3, ") ",len)
		  return true;
	   }
	   else if ( normalizedPhone.length > 6 )
	   {
		 var len=normalizedPhone.length - 6;
		 phoneNoObj.value=reformat (normalizedPhone, "(", 3, ") ", 3, "-", len )
		 return true;
	   }
	   else
	   {
		 phoneNoObj.value=normalizedPhone;
		 return true;
	   }
	   
	} //end checkUsPhone		
	
	/**
	* This function creates popup with given URL	
	**/
	function createPopUp(url, name, optionString) {			
			if (name.length == 0){
				var name = "newwnd";
			}
			if (optionString.length == 0){
				var optionString = "toolbar=no,location=no,directories=no,scrollbars=yes,resizable=yes,height=520,width=620,screenX=4,screenY=4,top=4,left=4";
			}		
			win = window.open(url, name, optionString);
			win.focus();
		}	// end createPopUp
		 	 
	/**
	 *  Function limits the text area 
	 **/
	function limitTextArea(text,limit) {
			var theTextValue = text.value;
			theTextValue = escape(theTextValue);
			
			if(theTextValue.indexOf("%0D%0A") > -1){
				// do nothing
			} else if(theTextValue.indexOf("%0A") > -1){
				theTextValue=theTextValue.replace(/%0A/g,"%0D%0A");
			} else if(theTextValue.indexOf("%0D") > -1){
				theTextValue=theTextValue.replace(/%0D/g,"%0D%0A");
			}		
			
			theTextValue = unescape(theTextValue);
			var length = theTextValue.length;		
		 	if(length > limit) {
		 		text.value = theTextValue.substring(0,limit);
				return false;
		 	} 			
		 	return true;
	} 
	/**
	 * Double Click Handler
	 */
	var bIsLinkClicked = false;
		
	function isFirstClick()
	{		
	    if (bIsLinkClicked)
	    {
	        return false;
	    }
	    else
	    {
	        bIsLinkClicked = true;
	    }
	}// end isFirstClick
	
	/**
	 * trim strip of spaces from either ends of the string
	 */
	function trimString(str) {
	  str = str.replace( /^\s+/g, "" );// strip leading
	  return str.replace( /\s+$/g, "" );// strip trailing
	}// end trimString