if(document.images){
	var img=new Object();
	img["logo"]=new Image(239,84);
	img["logo"].src="img/logo.png";
	img["commercial"]=new Image(276,430);
	img["commercial"].src="img/commercial.png";
	img["appartaments"]=new Image(170,430);
	img["appartaments"].src="img/appartaments.png";
	img["houses"]=new Image(209,430);
	img["houses"].src="img/houses.png";
	img["new_buildings"]=new Image(321,430);
	img["new_buildings"].src="img/new_buildings.png";
	img["bg_head"]=new Image(15,580);
	img["bg_head"].src="img/bg_head.jpg";
	img["bg_middle"]=new Image(15,384);
	img["bg_middle"].src="img/bg_middle.jpg";
	img["bg_top"]=new Image(10,278);
	img["bg_top"].src="img/top.jpg";
	img["article"]=new Image(64,64);
	img["article"].src="img/article.png";
	img["contacts"]=new Image(64,64);
	img["contacts"].src="img/contacts.png";
	img["home"]=new Image(64,64);
	img["home"].src="img/home.png";
	img["realtor"]=new Image(64,64);
	img["realtor"].src="img/realtor.png";
	img["services"]=new Image(64,64);
	img["services"].src="img/services.png";
}
function hover(obj){
	document.getElementById(obj).src = "img/img2/"+obj+"_border.jpg";
}
function unhover(obj){
	document.getElementById(obj).src = "img/img2/"+obj+".jpg";
}