selectedItem="";


function newImage(arg) {


	if (document.images) {


		rslt = new Image();


		rslt.src = arg;


		return rslt;


	}


}





function changeImages() {


	if (document.images && (preloadFlag == true)) {


		for (var i=0; i<changeImages.arguments.length; i+=2) {


			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];


		}


	}


}





var preloadFlag = false;


function preloadImages() {


	if (document.images) {


		tp_about_over = newImage("images/about-over.jpg");


		tp_about_active = newImage("images/about-active.jpg");


		tp_service_over = newImage("images/service-over.jpg");


		tp_service_active = newImage("images/service-active.jpg");


		tp_tariff_over = newImage("images/tariff-over.jpg");


		tp_tariff_active = newImage("images/tariff-active.jpg");


		tp_contact_over = newImage("images/contact-over.jpg");


		tp_contact_active = newImage("images/contact-active.jpg");


		tp_otziv_over = newImage("images/otziv-over.jpg");


		tp_otziv_active = newImage("images/otziv-active.jpg");


		tp_history_over = newImage("images/history-over.jpg");


		tp_history_active = newImage("images/history-active.jpg");


		preloadFlag = true;


	}


}





function mOver(item,sitem){


	if (item!=sitem){


		document.images[item].src="images/"+item+"-over.jpg";


	}


}


function mOut(item,sitem){


	if (item!=sitem){


		document.images[item].src="images/"+item+".jpg";


	}


}


function mUp(item,sitem){


	if ((sitem!="")&&(sitem!=item)) if(top.frames['menu'].document.images) {top.frames['menu'].document.images[sitem].src="images/"+sitem+".jpg";}


	selectedItem=item;


	//alert(sitem);


}


function mDown(item,sitem){


	if (item!=sitem){


		if(top.frames['menu'].document.images){top.frames['menu'].document.images[item].src="images/"+item+"-active.jpg";}


	}


}


function showMenu(){


	Item='about';


	mDown(Item,selectedItem);


	mUp(Item,selectedItem);


}