var moredeststr="";

function searchcruise(){	

   var begindate=document.getElementById("begindate"); 

   var enddate=document.getElementById("enddate");    

   var cruiseroute=document.getElementById("cruiseroute").value;

   var shipname=document.getElementById("shipname").value

   

   var selectitem=0;

   if(begindate.value.length>7) selectitem++;

   if(enddate.value.length>7) selectitem++;

   if(parseInt(cruiseroute)>0) selectitem++;

   if(parseInt(shipname)>0) selectitem++;

   

   if(selectitem>0){

	    location.href="http://www.chinaodysseytours.com/yangtzecruise/searchcruise.php?d="+begindate.value+"&e="+enddate.value+"&ship="+shipname+"&s="+cruiseroute;

   }

   else

   {

	   alert("COT provides up-to-date information on Yangtze Cruise. Choose your sailing date, and you can get more precise results.");

   }

 

}

function mymouseover1(){

	document.getElementById("sbt13").src="http://www.chinaodysseytours.com/tours/image/searchbt2.gif";

}

function mymouseout1(){

	document.getElementById("sbt13").src="http://www.chinaodysseytours.com/tours/image/searchbt1.gif";

}

function mymouseover2(){

	document.getElementById("sbt19").src="http://www.chinaodysseytours.com/image/homeserchh.gif";

}

function mymouseout2(){

	document.getElementById("sbt19").src="http://www.chinaodysseytours.com/image/homeserch.gif";

}

function checkdate(str){

	if(str.length<7){

		alert("COT provides up-to-date information on Yangtze Cruise. Choose your sailing date, and you can get more precise results. ");

	}

}

function shipchange(){

	try{

		var shipobj=document.getElementById("shipname");

		var routeobj=document.getElementById("cruiseroute");

		routeobj.options.length=0;			

		routeobj.options[0]=new Option("All cruise routes","0");

		if(shipobj.value=="24")

		{

			routeobj.options[1]=new Option("Chongqing --> Wuhan","2");

			routeobj.options[2]=new Option("Wuhan --> Chongqing","4");			

		}

		else if(parseInt(shipobj.value)>0 && parseInt(shipobj.value)<24)

		{

			routeobj.options[1]=new Option("Chongqing --> Yichang","1");

			routeobj.options[2]=new Option("Yichang --> Chongqing","3");			

		}

		else

		{

			routeobj.options[1]=new Option("Chongqing --> Yichang","1");

			routeobj.options[2]=new Option("Chongqing --> Wuhan","2");

			routeobj.options[3]=new Option("Yichang --> Chongqing","3");

			routeobj.options[4]=new Option("Wuhan --> Chongqing","4");				

		}

	}

	catch(err)

	{

	}	

}