function imgoff(img) {
		if (version >= 3) { 
			source = eval(img + "hi.src");
			document [img].src = source;
		}
    }        
	function imghi(img) {
		if (version >= 3) { 
			source = eval(img + "off.src");
			document [img].src = source;
		}
	}
		
	

	var version = 0;	
	if (navigator.userAgent.indexOf("Mozilla/3.") >=0){
		version = 3
	}	
	if (navigator.userAgent.indexOf("Mozilla/4.") >=0){
		version = 4
	}	
	if (version >= 3){
	
	aboutus1hi = new Image();
	aboutus1hi.src = "images/menu1_aboutus.gif";
	aboutus1off = new Image();
	aboutus1off.src = "images/menu1_aboutus_over.gif";
	
	projects1hi = new Image();
	projects1hi.src = "images/menu1_projects.gif";
	projects1off = new Image();
	projects1off.src = "images/menu1_projects_over.gif";
	
	propertymanagement1hi = new Image();
	propertymanagement1hi.src = "images/menu1_propertymanagement.gif";
	propertymanagement1off = new Image();
	propertymanagement1off.src = "images/menu1_propertymanagement_over.gif";
	
	news1hi = new Image();
	news1hi.src = "images/menu1_news.gif";
	news1off = new Image();
	news1off.src = "images/menu1_news_over.gif";
	
	
	
	aboutus2hi = new Image();
	aboutus2hi.src = "images/menu2_aboutus.gif";
	aboutus2off = new Image();
	aboutus2off.src = "images/menu2_aboutus_over.gif";
	
	projects2hi = new Image();
	projects2hi.src = "images/menu2_projects.gif";
	projects2off = new Image();
	projects2off.src = "images/menu2_projects_over.gif";
	
	propertymanagement2hi = new Image();
	propertymanagement2hi.src = "images/menu2_propertymanagement.gif";
	propertymanagement2off = new Image();
	propertymanagement2off.src = "images/menu2_propertymanagement_over.gif";
	
	news2hi = new Image();
	news2hi.src = "images/menu2_news.gif";
	news2off = new Image();
	news2off.src = "images/menu2_news_over.gif";
	}