function ValidityProfileERForm(form1){
		EmailError.innerHTML= '';
		CoNameError.innerHTML = '';
		AddressError.innerHTML = '';
		LocateError.innerHTML = '';
		PhoneError.innerHTML = '';
		DescriptionError.innerHTML = '';
		
		var strErr='';
		var regNum=/^\d+$/
		var reg1 = /^\w+$/;
		
		var n  = form1.CoName.value;
		alert('n: '+ n);
		var e  = form1.CoEmail.value;		
		var a  = form1.Address.value;
		var f  = form1.Phone.value;
		var d  = form1.Description.value;
		if (regEmail.test(e) == false ){
			EmailError.innerHTML= msgRegEmail;//'Email khong hop le. ';
			form1.Email.focus();			
			return false;			
		}else EmailError.innerHTML =''
		//var intLimitCharListBox =10;
		//var intLimitCharTextBox =2;
		//here3
		// checkControlLimit(obj,objError,intLimitWord,intLimitChar,typeLimitWord)
	/*
		if(checkControlLimit(form1.Email,EmailError,intLimitWord,intLimitCharTextBox,false))
			return false;
	*/		
		if (n.length == 0 ){
			CoNameError.innerHTML= msgNameSenderLength;//'Moi ban cung cap thong tin.';
			form1.CoName.focus();
			return false;			
		}else CoNameError.innerHTML = '';
		//var intLimitCharListBox =10;
		//var intLimitCharTextBox =2;
	/*
		if(checkControlLimit(form1.CoName,CoNameError,intLimitWord,intLimitCharTextBox,false))
			return false;
	*/	
		if (a.length == 0){
			AddressError.innerHTML= msgNameSenderLength;//'Moi ban cung cap thong tin. ';
			form1.Address.focus();			
			return false;			
		}else AddressError.innerHTML ='';
		//var intLimitCharListBox =10;
		//var intLimitCharTextBox =2;
	/*
		if(checkControlLimit(form1.Address,AddressError,intLimitWord,intLimitCharListBox,true))
			return false;
	*/
		if (form1.Locate.value == 0){
			LocateError.innerHTML= msgNameSenderLength;//'Moi ban cung cap thong tin. ';
			form1.Locate.focus();
			return false;
		}else LocateError.innerHTML = '';
		/*
		if (f.length == 0 ){
			PhoneError.innerHTML= msgNameSenderLength;//'Moi ban cung cap thong tin. '						
			form1.Phone.focus();
			return false;
		}else PhoneError.innerHTML = ''
		*/
	/*
		if (d.length == 0 ){
			DescriptionError.innerHTM= msgNameSenderLength;//'Moi ban cung cap thong tin. ';
			form1.Description.focus();
			return false;
		}else DescriptionError.innerHTML = '';
	*/
		//var intLimitCharListBox =10;
		//var intLimitCharTextBox =2;
	/*
		if(checkControlLimit(form1.Description,DescriptionError,intLimitWord,intLimitCharListBox,true))
			return false;
	*/					
		return true;
	}