function BaseTrim(str){
	  lIdx=0;rIdx=str.length;
	  if (BaseTrim.arguments.length==2)
	    act=BaseTrim.arguments[1].toLowerCase()
	  else
	    act="all"
      for(var i=0;i<str.length;i++){
	  	thelStr=str.substring(lIdx,lIdx+1)
		therStr=str.substring(rIdx,rIdx-1)
        if ((act=="all" || act=="left") && thelStr==" "){
			lIdx++
        }
        if ((act=="all" || act=="right") && therStr==" "){
			rIdx--
        }
      }
	  str=str.slice(lIdx,rIdx)
      return str
}

function BaseAlert(theText,notice){
	alert(notice);
	theText.focus();
	theText.select();
	return false;
}

function ChkText(srcText,length,str,bNotNull){
	srcText.value = BaseTrim(srcText.value);
	if (bNotNull==true){
		if ((srcText.value=="") || (BASEreal_len(srcText)>length )){
			BaseAlert(srcText,str);
			return false;
		}
	}else{
		if (BASEreal_len(srcText)>length ){
			BaseAlert(srcText,str);
			return false;
		}
	}
	return true;
}

function ChkTextEx(srcText,length1,length2,str,bNotNull){
	srcText.value = BaseTrim(srcText.value);
	if (bNotNull==true){
		if ((srcText.value=="") || (BASEreal_len(srcText)<length1) || (BASEreal_len(srcText)>length2)){
			BaseAlert(srcText,str);
			return false;
		}
	}else{
		if(srcText.value=="")
			return true;
		if (BASEreal_len(srcText)<length1 || BASEreal_len(srcText)>length2){
			BaseAlert(srcText,str);
			return false;
		}
	}
	return true;
}


function BASEreal_len(theText){ 
	  var real_len=0;
	  text_val=theText.value;
	  text_len=theText.value.length;
	  for(i=0;i<text_len;i++){
	    if (text_val.charCodeAt(i)>127){
		  real_len=real_len+2;
		}
	    else{
		  real_len++;
		}
  	  }
	  return(real_len);
}

function BASEisNotInt(theInt){
	theInt=BaseTrim(theInt)
	if ((theInt.length>1 && theInt.substring(0,1)=="0") || BASEisNotNum(theInt)){
		return true
	}
	return false
}

function BASEisNotNum(theNum){
	if (BaseTrim(theNum)=="")
		return true
	for(var i=0;i<theNum.length;i++){
	    oneNum=theNum.substring(i,i+1)
        if (oneNum<"0" || oneNum>"9")
          return true
    }
	return false
}

function BASEisNotFloat(theFloat){
	len=theFloat.length
	dotNum=0
	if (len==0)
		return true
	for(var i=0;i<len;i++){
	    oneNum=theFloat.substring(i,i+1)
		if (oneNum==".")
			dotNum++
        if ( ((oneNum<"0" || oneNum>"9") && oneNum!=".") || dotNum>1)
          return true
    }
	if (len>1 && theFloat.substring(0,1)=="0"){
		if (theFloat.substring(1,2)!=".")
			return true
	}
	return false
}

function HighLightOver(){
	HighLightList("#E0E6F7");
}
function HighLightOut(){
	HighLightList("");
}

function HighLightList(color){
	var el=event.srcElement;
	var b=false;
	var tabElement=null;
	while (!b){
		el=GetParentElement(el, "TR")
		if (el){
			tabElement=GetParentElement(el, "TABLE");
			if (tabElement!=null && tabElement.className.toUpperCase()=="LIST"){
				break;
			}
			el=tabElement;
		}else{
			return;
		}
	}
	
	for (var i=0;i<el.children.length;i++){
		if (el.children[i].tagName=="TD"){
			el.children[i].style.backgroundColor=color;
		}
	}
}

function GetParentElement(obj, tag){
	while(obj!=null && obj.tagName!=tag)
		obj=obj.parentElement;
	return obj;
}

document.onmouseover=HighLightOver
document.onmouseout=HighLightOut

function doCheckAll(obj){
	var form = obj.form;
	for (var i=0;i<form.elements.length;i++){
		var e = form.elements[i];
		e.checked = obj.checked;
	}
}

function doAction(obj){
	var form = obj.form;
	var objCheckID = eval("form.checkid");
	if (!objCheckID){
		return;
	}
	var objCheckAction = eval("form.checkaction");
	if (!isChecked(objCheckID)){
		alert("请至少选择一条要操作的记录！");
		return;
	}
	if (!confirm("确定要执行此操作吗？")){
		return;
	}
	form.action=form.action+objCheckAction.options[objCheckAction.selectedIndex].value;
	form.submit();
}

function isChecked(obj){
	var i;
	if (obj.length==null){
		if(obj.checked){
			return true;
		}
	} else {
		for(var i=0; i<obj.length; i++){
			if(obj[i].checked){
				return true;
			}
		}
	}	
	return false;
}

function isEmail(a){
	var i=a.length; 
	var temp = a.indexOf('@'); 
	var tempd = a.indexOf('.'); 
	if (temp > 1) { 
		if ((i-temp) > 3){ 
			if ((i-tempd)>0){ 
			return true; 
			} 
		} 
	} 
	return false; 
} 

function winopen(url){
	var win = window.open(url,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,top=10,left=100");
	win.focus();
}