function sT(n){
	try{
		var tbs = document.getElementById("tabs_holder");
		for(i=1;i<5;i++){
			var t = document.getElementById("tab_" + i);
			var tc = document.getElementById("d_tab_" + i);
			if (i == n){
				t.style.color = "#fff";
				tc.style.display = "block";
			}
			else{
				t.style.color = "#428ce0";
				tc.style.display = "none";
			}
		}
		if(n == 2){
			tbs.style.backgroundPosition = "0 -28px";
		}
		else if(n == 3){
			tbs.style.backgroundPosition = "0 -56px";
		}
		else if(n == 4){
			tbs.style.backgroundPosition = "0 -84px";
		}else	
			tbs.style.backgroundPosition = "0 0";
	}catch(e){}
}