function init() {			
			if (mtDropDown.isSupported()) {
				mtDropDown.initialize();				
			}
			if(MenuId == 1)
				menu1.src="img_head/firstPage.gif";
			else
				menu1.src="img_head/firstPage1.gif";
				
			if(MenuId == 2)
				menu2.src="img_head/m1.gif";
			else
				menu2.src="img_head/m11.gif";
			
			if(MenuId == 3)
				menu3.src="img_head/m2.gif";
			else
				menu3.src="img_head/m22.gif";
				
			if(MenuId == 4)
				menu4.src="img_head/m3.gif";
			else
				menu4.src="img_head/m33.gif";
				
			if(MenuId == 5)
				menu5.src="img_head/m4.gif";
			else
				menu5.src="img_head/m44.gif";
				
			if(MenuId == 6)
				menu6.src="img_head/m55.gif";
			else
				menu6.src="img_head/m5.gif";
				
			if(MenuId == 7)
				menu7.src="img_head/m66.gif";
			else
				menu7.src="img_head/m6.gif";
			
			if(MenuId == 8)
				menu8.src="img_head/m77.gif";
			else
				menu8.src="img_head/m7.gif";
}