common.js

基于ECLIPSE下的JSP编程

//Author  lufeng  2006.3

function strim(str)
{
	while(str.indexOf(" ")!=-1)
	{
		str=str.replace(" ","");	
	}
	return str;
}


function javatrim(str){
    return str.replace(/(^\s+)|(\s+$)/g, "");
}


//check all
function selAll(objcheckall) {		
	var i;
	for(i=0;i<document.all.checkbox.length-1;i++){
		var objSel = document.all.checkbox[i];
		if (!objSel.disabled==true)
			objSel.checked =objcheckall.checked;
	}

}


function getCheckedNumberByTop(objCheckbox){
	var intReturn=0;
	for(var i=0;i<objCheckbox.length-1;i++){
        if(objCheckbox[i].checked==true){
			intReturn++;
		}
    }
	return intReturn;
}


function getSelectList(objCheckbox){
	var strList = "";
	if(objCheckbox!=null){
		var intCount = objCheckbox.length;
		if(intCount>0){
			for(i=0;i<intCount;i++){
				if(objCheckbox[i].checked==true){
					if(strList.length==0){
						strList=objCheckbox[i].value;
					}else{
						strList=strList + "|" + objCheckbox[i].value;
					}
   				}
  			}
		}
	}
	strList=checksplit(strList);
	return strList;
}


function checksplit(strIn){
	var strReturnValue=strIn;
	var bit=strReturnValue.lastIndexOf("|");
	if(bit!=-1){
			if(strReturnValue.length==bit+1){
					strReturnValue=strReturnValue.substring(0,bit);
			}
			
	}
	return strReturnValue;
}



function getSingleSelectValue(objSelect){
	var strReturnValue="";
	var intLength=objSelect.length;
  	if(intLength>0){
    		for(var i=0;i<intLength;i++){
      			if(objSelect.options[i].selected){
        			 strReturnValue=objSelect.options[i].value;
					 break;
      			}
    		}
  	}
	return strReturnValue;
	
}


function ConvertEnterToTab(){
    if(event.keyCode == 13){
    	event.keyCode = 9;
    }
    return true;
}






function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}





//char length  1=2
function GetStrLen(sString){
	var sStr,iCount,i,strTemp ;
	iCount = 0 ;
	sStr = sString.split("");
	for (i = 0 ; i < sStr.length ; i ++){
		strTemp = escape(sStr[i]);
		if (strTemp.indexOf("%u",0) == -1){
			iCount = iCount + 1 ;
		}
		else
		{
			iCount = iCount + 2 ;
		}
	}
	return iCount ;
}