/*^^^^^^^^^^^^^^only DOM-------------------------*/
if(document.getElementById){
/*----prepared section----------------------------------------------------*/
	var cssstyle = new Array();
	/*green style*/
	cssstyle[0] = "common.css";
	/*beige style*/
	cssstyle[1] = "common1.css";
/*-------------------------------------------*/	
	function setCookie(name,val){
		nowDay = new Date();
		expDay = new Date();
		expDay.setTime(nowDay.getTime() + (365*1000*24*60*60));
		document.cookie = name +"=" + escape(val) + "; expires=" + expDay.toGMTString() + "; path=/";
	}
	
	function getCookie(name){
		name += "=";
		tmp = document.cookie+";";
		start = tmp.indexOf(name,0);
		if(start != -1){
			end = tmp.indexOf(";",start);
			return unescape(tmp.substring(start+name.length,end));
		}else{
			return "";
		}
	}
	
	function delCookie(name){
		document.cookie = name + "=;expires=Thu,01-Jan-70 00:00:01 GMT";
	}

	function changestyle(num){
		delCookie("cssnum");
		setCookie("cssnum",num);
		location.reload(true);
	}

/*------------------------------------------------------------------------------*/
/*apply css style*/
	var css = getCookie("cssnum");
	/*first time section auto select css style*/
	if(css == 1){
		setStyle(cssstyle[1]);
	}else if (css == ""){
		setStyle(cssstyle[1]);
	}else{
		setStyle(cssstyle[0]);
	}
}