function MM_showHideLayers() { //v9.0
	  var i,p,v,obj,args=MM_showHideLayers.arguments;
	  for (i=0; i<(args.length-2); i+=3) 
	  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
	    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
	    obj.visibility=v; }
	}
	function change(color){ 
		if(navigator.userAgent.indexOf("MSIE")>0){
			if (event.srcElement.tagName=="INPUT"&&event.srcElement.type=="button"&&event.srcElement.disabled!=true) {
				event.srcElement.style.backgroundColor=color ;
			}
		}
	} 


	function MM_goToURL() { //v3.0
	  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
	  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
	}
	
	function judgeurl(obj) {
		var objname = obj.name;
		var objvalue = obj.value.replace(/ /g, "_"); 
		var sdate = objname.substring(0, objname.indexOf("_"));
		var edate = objname.substring(objname.indexOf("_")+1, objname.indexOf("#"));
		var itinerary = objname.substring(objname.indexOf("#")+1).replace(/ /g, "_");
		//alert("st："+sdate+"\ned："+edate+"\nde："+itinerary+"\nna："+objvalue);
		window.location.href="/cruise/"+objvalue+"/index.jsp?"+"&na="+objvalue+"&st="+sdate+"&ed="+edate+"&de="+itinerary;
	}
	var current = new Date();
	var nowY = current.getYear()>1000?current.getYear():current.getYear()+1900;
	var nowM = current.getMonth()+1;
	var nowD = current.getDate();
	
	function daysBetweenNow(val) {
	    var y = val.substring(0,val.indexOf('-'));	    	    
	    var m = val.substring(5,val.lastIndexOf('-'));
	    var d = val.substring(val.lastIndexOf('-')+1,val.length);
	    
        var cha = ((Date.parse(m+'/'+d+'/'+y) - Date.parse(nowM+'/'+nowD+'/'+nowY))/86400000);
        //alert(m+'/'+d+'/'+y+'    '+nowM+'/'+nowD+'/'+nowY);
	  	return cha;        
	}
	function judgeBtn() {
	 	var btnObj = document.getElementsByTagName("input");
		for (var i=0;i<btnObj.length;i++){
			var chk = btnObj[i];
			if (btnObj[i].id!=null && btnObj[i].id.indexOf("cr_") != -1 ) {
				var val = btnObj[i].name.substring(0,btnObj[i].name.indexOf("_"));
				btnObj[i].textdecoration="underline";
				//alert(btnObj[i].disabled);
				if(	btnObj[i].disabled==true) {
					btnObj[i].style.color="#808080";   
				}
				var judge = daysBetweenNow(val);	
				//alert(judge);	           
	            if (judge<=3) {
	             	btnObj[i].style.color="#808080";    
	               	btnObj[i].disabled = true;
	               
	            }
	        }
		}
 	}