function chkL(){
	var csxHi = 771;
	var csxH = $("#colsx").height();
	var cntH = $("#content").height();
	cntH += 400;
	if (cntH > csxH){
		$("#colsx").animate({height: cntH},400);
		$("#warpC").animate({height: cntH + 20},400);
	} else if (cntH < csxH){
		if(cntH < csxHi){
		$("#content").animate({height: csxHi - 400},400);
		$("#colsx").animate({height: csxHi},400);
		$("#warpC").animate({height: csxHi + 20},400);
		} else {
		$("#colsx").animate({height: cntH},400);
		$("#warpC").animate({height: cntH + 20},400);
		}
	}
}