function ChangeDisplay(link, nobg, addbg1, addbg2, id1, id2, id3, id4, id5, id6, id7, id8) {
			// придаем ссылкам прежний синий вид
				document.getElementById('link1').style.color = "#2a4992"; document.getElementById('link1').style.fontWeight = "normal"; document.getElementById('link1').style.textDecoration="underline";
				document.getElementById('link2').style.color = "#2a4992"; document.getElementById('link2').style.fontWeight = "normal"; document.getElementById('link2').style.textDecoration="underline";
				document.getElementById('link3').style.color = "#2a4992"; document.getElementById('link3').style.fontWeight = "normal"; document.getElementById('link3').style.textDecoration="underline";
				document.getElementById('link4').style.color = "#2a4992"; document.getElementById('link4').style.fontWeight = "normal"; document.getElementById('link4').style.textDecoration="underline";
				document.getElementById('link5').style.color = "#2a4992"; document.getElementById('link5').style.fontWeight = "normal"; document.getElementById('link5').style.textDecoration="underline";
				document.getElementById('link6').style.color = "#2a4992"; document.getElementById('link6').style.fontWeight = "normal"; document.getElementById('link6').style.textDecoration="underline";
				document.getElementById('link7').style.color = "#2a4992"; document.getElementById('link7').style.fontWeight = "normal"; document.getElementById('link7').style.textDecoration="underline";
				document.getElementById('link8').style.color = "#2a4992"; document.getElementById('link8').style.fontWeight = "normal"; document.getElementById('link8').style.textDecoration="underline";

			linkbold=document.getElementById(link);
			element1=document.getElementById(id1);
			element2=document.getElementById(id2);
			element3=document.getElementById(id3);
			element4=document.getElementById(id4);
			element5=document.getElementById(id5);
			element6=document.getElementById(id6);
			element7=document.getElementById(id7);
			element8=document.getElementById(id8);
			nobg=document.getElementById(nobg);
			addbg1=document.getElementById(addbg1);
			addbg2=document.getElementById(addbg2);
				if(element1.style.display=='none'){
					element1.style.display='';
					element2.style.display='none';
					element3.style.display='none';
					element4.style.display='none';
					element5.style.display='none';
					element6.style.display='none';
					element7.style.display='none';
					element8.style.display='none';
				}
				if(linkbold.style.color !='#000'){
					linkbold.style.color="#000";
					linkbold.style.fontWeight="bold";
					linkbold.style.textDecoration="none";
				}

				nobg.style.backgroundImage = "none";
				addbg1.style.backgroundImage = "url(/Theme/gsz/img/link_left_bg.gif)";
				addbg2.style.backgroundImage = "url(/Theme/gsz/img/link_left_bg.gif)";

			return false;
		}