function selectcmp(o){
		j=0;
		for (i=0;i<document.form1.ccheckbox.length;i++){
			if (document.form1.ccheckbox[i].checked){j++}
		}
	 if (j>=4) {o.checked = false;alert('up to 3');}
	}
	
	function gocmp()
	{
		var vv = "";
		var j = 0;
		for (i=0;i<document.form1.ccheckbox.length;i++){
			if (document.form1.ccheckbox[i].checked){
				j++;
				vv += document.form1.ccheckbox[i].value+",";
			}
		}
		if(j<2) {alert('err:less than 2');return;}
		location.href='/tour/tour-comparison.asp?delete_name='+vv;
		//alert(vv);
	}
	
	function checkd() 
{
    var obj=document.getElementsByName("sc");
    var cl =obj.length;
    var sc ="";
    for(var ii=0;ii<cl;ii++){
        if(obj[ii].checked)sc=sc+obj[ii].value+", ";
    }
	document.toursearchpanelform.city.value=sc;
}