function switcher(num, choice){
	switch (num){
		case(1):	
			if(choice==1) document.catbtn1.src="site/img/buttons/12.png";
			if(choice==2) document.catbtn1.src="site/img/buttons/11.png";
			break;
		case(2):	
			if(choice==1) document.catbtn2.src="site/img/buttons/22.png";
			if(choice==2) document.catbtn2.src="site/img/buttons/21.png";
			break;
		case(3):	
			if(choice==1) document.catbtn3.src="site/img/buttons/32.png";
			if(choice==2) document.catbtn3.src="site/img/buttons/31.png";
			break;
		case(4):	
			if(choice==1) document.catbtn4.src="site/img/buttons/42.png";
			if(choice==2) document.catbtn4.src="site/img/buttons/41.png";
			break;
		case(5):	
			if(choice==1) document.catbtn5.src="site/img/buttons/52.png";
			if(choice==2) document.catbtn5.src="site/img/buttons/51.png";
			break;
		case(6):	
			if(choice==1) document.catbtn6.src="site/img/buttons/62.png";
			if(choice==2) document.catbtn6.src="site/img/buttons/61.png";
			break;
		case(7):	
			if(choice==1) document.catbtn7.src="site/img/buttons/72.png";
			if(choice==2) document.catbtn7.src="site/img/buttons/71.png";
			break;
	}
	
}