//rollover buttons
		if (document.images)
		{
			img_00_n = new Image( );
			img_00_n.src = "images/LRL_home_n.gif";
			img_01_n = new Image( );
			img_01_n.src = "images/LRL_products_n.gif";
			img_02_n = new Image( );
			img_02_n.src = "images/LRL_services_n.gif";
			img_03_n = new Image( );
			img_03_n.src = "images/LRL_mastectomy_n.gif";
			img_04_n = new Image( );
			img_04_n.src = "images/LRL_events_n.gif";
			img_05_n = new Image( );
			img_05_n.src = "images/LRL_aboutus_n.gif";
			img_06_n = new Image( );
			img_06_n.src = "images/LRL_testimonials_n.gif";
			img_07_n = new Image( );
			img_07_n.src = "images/LRL_contact_n.gif";
			img_08_n = new Image( );
			img_08_n.src = "images/LRL_faq_n.gif";

			
			img_00_ro = new Image( );
			img_00_ro.src = "images/LRL_home_ro.gif";
			img_01_ro = new Image( );
			img_01_ro.src = "images/LRL_products_ro.gif";
			img_02_ro = new Image( );
			img_02_ro.src = "images/LRL_services_ro.gif";
			img_03_ro = new Image( );
			img_03_ro.src = "images/LRL_mastectomy_ro.gif";
			img_04_ro = new Image( );
			img_04_ro.src = "images/LRL_events_ro.gif";
			img_05_ro = new Image( );
			img_05_ro.src = "images/LRL_aboutus_ro.gif";
			img_06_ro = new Image( );
			img_06_ro.src = "images/LRL_testimonials_ro.gif";
			img_07_ro = new Image( );
			img_07_ro.src = "images/LRL_contact_ro.gif";
			img_08_ro = new Image( );
			img_08_ro.src = "images/LRL_faq_ro.gif";

		}


		function imgOn (imgName)
		{
			
				document[imgName].src = eval (imgName + "ro.src");
			
		}


		function imgOff (imgName)
		{
			
				document[imgName].src = eval (imgName + "n.src");
			
		}














//open new window for larger image

		var newwindow
		function opennewwindow(ximgnumber)
		{

			newwindow = window.open(imagearray[ximgnumber][6],'bigimage','width=600,height=600,scrollbars=yes,resizable=yes');

			newwindow.focus();
			return false;
		}





//email validation




function emailvalidationcheck(emailentered) {

		var at="@"
		var dot="."
		var locationat=emailentered.indexOf(at)
		var emaillength=emailentered.length
		var locationdot=emailentered.indexOf(dot)

	//checks if anything is entered
		
		if ((emailentered==null)||(emailentered=="")){
			//alert("Please Enter your Email Address --1");
			
			return false;
		}


	//checks if @ is exists or is at the beginning or end of the email address
		if (emailentered.indexOf(at)==-1 || emailentered.indexOf(at)==0 || emailentered.indexOf(at)==emaillength-1){
		  	//alert("Invalid Email Address --2");
			
		   	return false;
		}

	//checks if . exists or is at the beginning or end of the email address
		if (emailentered.indexOf(dot)==-1 || emailentered.indexOf(dot)==0 || emailentered.indexOf(dot)==emaillength-1){
		   	//alert("Invalid Email Address --3");
			
		   	return false;
		}

	//checks if more than one @ exists in the email address
		 if (emailentered.indexOf(at,(locationat+1))!=-1){
		    	//alert("Invalid Email Address --4");
			
		    	return false;
		 }

	//checks if . is beside @ 
		 if (emailentered.substring(locationat-1,locationat)==dot || emailentered.substring(locationat+1,locationat+2)==dot){
		    	//alert("Invalid Email Address --5");
			
		    	return false;
		 }

	//checks if a . comes after @
		 if (emailentered.indexOf(dot,(locationat+2))==-1){
		    	//alert("Invalid Email Address --6");
			
		    	return false;
		 }


	//checks for blank spaces		
		 if (emailentered.indexOf(" ")!=-1){
		    	//alert("Invalid Email Address --7");
			
		    	return false;
		 }
		
		return true;

		 					
	}