function randomPromo(){
	var Quotation = new Array() 
	Quotation[0] = "promo1";
	Quotation[1] = "promo2";
	Quotation[2] = "promo3";
	//Quotation[3] = "promo4";	
	//Quotation[4] = "promo5";		
	var Q = Quotation.length;
	var whichQuotation=Math.round(Math.random()*(Q-1));
	var klase=Quotation[whichQuotation];
	document.getElementById(klase).className = "promo";
}

function randomPromo2(){
	var Quotation = new Array() 
	Quotation[0] = "promo21";
	Quotation[1] = "promo22";
	Quotation[2] = "promo23";
	Quotation[3] = "promo24";	
	Quotation[4] = "promo25";	
	Quotation[4] = "promo26";		
	var Q = Quotation.length;
	var whichQuotation=Math.round(Math.random()*(Q-1));
	var klase=Quotation[whichQuotation];
	document.getElementById(klase).className = "promo";
}