function convertToUpper(src)
{
	//alert("Hi from convertToUpper");
	src.value = src.value.toUpperCase();
}

function isEmpty(s)
{   
	//alert("Hi from isEmpty");
	if((s == null) || (s.length <= 0))
		return true;
	return false;
}

function checkNumberCharEnter(obj,event)
{
	//alert("Hi from checkNumberCharEnter");
   if(obj.value != '')
   {
    if(!checkNumberChar(event)){
      alert('Please enter Alpha only');
      obj.value='';
      obj.focus();
      return false;
    }    
     return true;       
     }
}

// Below Function will check for any special charaters in a string
// and will remove them if found any.
// Author : Ravi Bhuva (329926)

function checkSpecialCharacters(element)
{
	var str = element.value.toString();
	
	//alert('str ::> '+str);
	
	var specialChars = "!@#$^&*()+=-[]\\\';,./{}|\":<>?`~%";
	
	var validFlag = true;
	
	var invalidCnt = 0;
	
	if(str != null && str.toString() != '')
	{
		for(i=0; i<str.length; i++)
		{
			 //alert('str.charAt(i) ::> '+str.charAt(i));
			if(specialChars.indexOf(str.charAt(i)) != -1)
			{
				//alert('in if :::> '+specialChars.indexOf(str.charAt(i)));
				//str = str.replaceAll(str.charAt(i), "");
				str = str.replace(new RegExp(str.charAt(i), 'g'),"");
				//alert('result str :::> '+str);
				validFlag = false;
				invalidCnt++;
			}
		}
		
		element.value = str;
		//alert('element value ::> '+str);
		
		if(invalidCnt == 1)
		{
			alert(_cmnMsgSFChkSpclChar);
		}
		else if(invalidCnt > 1)
		{
			alert(_cmnMsgSFRmvSpclChar);
		}
	}
	
	return validFlag;
}


// Below Function restrict entry of all characters except the ones
// specified in exceptThese argument (regular expression).
// Author : Ravi Bhuva (329926)
function restrictChar(exceptThese) 
{ 
	//alert('restrictChar');
	//exceptThese = "-_,/'().0-9a-zA-Z \r";
	
	//get the keycode when the user pressed any key in application 
	
	var exp = String.fromCharCode(window.event.keyCode); 
	
	//Below line will have the special characters that is not allowed you can add 
	//if you want more for some characters you need to add escape sequence
	var r = new RegExp("["+ exceptThese +"]", "g"); 
	if (exp.match(r) == null) 
	{ 
		window.event.keyCode = 0;
		return false; 
	} 
	
	return true;
}

//New function added for Cross browser issues in Mozilla Firefox and Chrome
//Below Function restrict entry of all characters except the ones
//specified in exceptThese argument (regular expression).
//requires event object to be passed in function parameter list
function restrictChar(exceptThese,event) 
{ 
	//alert('restrictChar');
	//exceptThese = "-_,/'().0-9a-zA-Z \r";
	
	//get the keycode when the user pressed any key in application 
	var keycode;

    keycode=event.keyCode? event.keyCode : event.charCode;
    if( keycode == 8 ) {
        return true;
    }
	var exp = String.fromCharCode(keycode); 
	
	//Below line will have the special characters that is not allowed you can add 
	//if you want more for some characters you need to add escape sequence
	var r = new RegExp("["+ exceptThese +"]", "g"); 
	if (exp.match(r) == null) 
	{ 
		//window.event.keyCode = 0;
		return false; 
	} 
	
	return true;
}

//Below Function restrict entry of all characters except the ones
//specified in exceptThese argument (regular expression) on copy/paste action.
//Author : Tarak Amin (670751)
function restrictCharOnBlur(exceptThese, elementRef, alertMsg) 
{	 
	//below lines commented as event object has not been passed to obtain keycode for Mozilla Firefox.  
	
	/*var evtobj;
	if(window.event){
		evtobj = window.event.keyCode;//for ie
	}
	else{
		evtobj = e.which;
	}	
	if( evtobj == 8 ) {
		
        return true;
    }*/
		
	var exp;
	
	//Below line will have the special characters that is not allowed you can add 
	//if you want more for some characters you need to add escape sequence
	var r = new RegExp("["+ exceptThese +"]", "g"); 
	
	exp = elementRef.value;
	for (var i=0; i<exp.length; i++)
	{
		var currentChar = exp.charAt(i);
		if (currentChar.match(r) == null) 
		{ 
			//START - Modified by Prakash Pala on 16th June, 2014
			//alert(_cmnMsgSFChkSpclChar);
			if(typeof alertMsg!='undefined' && alertMsg!=null && alertMsg!=''){
				alert(alertMsg);
			}
			else{
				alert(_enteredCharNotAllowed);
			}
			//END - Modified by Prakash Pala on 16th June, 2014
			elementRef.value = "";
			return false; 
		} 
	}
	return true;
}

function restrictCharOnBlurPln(exceptThese, elementRef, alertMsg) { 
     
    return true;
}

//This function will responsible to restrict the special char based on the 
//-given regular expression
function restrictCharAll(exceptThese,e) 
{ 
	
	//get the keycode when the user pressed any key in application 
	var key;
	if(window.event){
		key = window.event.keyCode;//for ie
	}
	else{
		key = e.which; 
		//key = event.which;//for Moziall and chrome
		//Changed by Nikita Ruhela
		//below If block changes for Ctrl+v should be accepted in  mozilla firefox
		if (e.ctrlKey && (key == 86 || key == 118)) 
		{
	        return true;
	    }
	}
	
	if( key == 8 ) {
        return true;
    }	
	
	var exp = String.fromCharCode(key); 

	var r = new RegExp("["+ exceptThese +"]", "g"); 
	if (exp.match(r) == null) 
	{ 
		return false; 
	}else  {
		return true;
	}
	
	
}

//call allowThese function providing characters that you want to allow. for example, allowThese(this,'@#$%');
function allowThese(obj,exceptThese){
	var str=obj.value;
	if(str != null && str.toString() != '')
	{
		for(var i=0; i<str.length; i++)
		{
			var key = str.charAt(i);
			var r = new RegExp("["+ exceptThese +"]", "g"); 
			if (key.match(r) == null) 
			{ 
				alert("Entered characters are not allowed.");
				obj.value='';
				obj.focus();
				return false; 
			}
		}
	}
	return true;
	
}

//call restrictThese function providing characters that you want to restrict. for example, acceptThese(this,'a-z');


//Below Function restrict entry of all characters except the ones
//specified in exceptThese argument (regular expression).
function allowAlphaNumericChar(e) 
{ 
	//alert('restrictChar');
	var exceptThese = "0-9a-zA-Z \u0900-\u097F \r \b";
	return restrictCharAll(exceptThese, e);
	
}

function allowNumericCharOnly(e) 
{ 
	//alert('restrictChar');
	var exceptThese = "0-9 \b";
	return restrictCharAll(exceptThese,e);
}

function allowAlphaCharOnly(e) 
{ 
	//alert('restrictChar');
	var exceptThese = "a-zA-Z \u0900-\u097F \r \b";
	return restrictCharAll(exceptThese,e);
}