function trim(sStr)
{
   var s;
   sStr = sStr.toString();
   sStr = sStr.replace(/(^\s*)|(\s*$)/g,"");
   sStr = sStr.replace(/\s{2,}/g," "); /*----- Removes the unwanted spaces(more than one)-----*/
   return(sStr);
}/*---- Regular expression functions for clearing the spaces ----*/

function validate(obj)
{
	obj1 = trim(obj.value)
	if(obj1 == "")
	{		
		alert("Search Text is Empty");
		obj.focus();
		return false;
	}
	else
	return true;
}/*----- Validate Search Text is empty or not-----*/

function clear_spaces(formName)
{
	var element_all =  formName.elements;
	var i;
	for(i=0;i<element_all.length;++i)
	{
			if (element_all[i].type == "text")
				element_all[i].value = trim(element_all[i].value);
	}
}/*----- Trim all the text boxes Only-----*/

function checkText(obj)
{
/*-----The trim function has to be called before calling this function -----*/
/*---- Later , type will be passed as a parameter so that the type will be like email, phone no , numeric, character ---*/
if(obj.value == "")
	{
		return false;
	}
else
	return true;
}/*---- Checks the text box for empty string -----*/


 function emailCheck(email)
  {
	//var validCharRegExp = /^\w(\.?[-\w])*@\w(\.?[-\w])*\.([a-z]{3}(\.[a-z]{2})?|[a-z]{2}(\.[a-z]{2})?)$/i;
	var validCharRegExp = /^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/i;

	var isValid = (validCharRegExp.test(email));
	
	return isValid;
  }/*----- Email-----*/


  function isOnlyNumeric(string)
 {
 	if(string == "" ) return false;
 	var invalidCharRegExp = /[^\d]/;
	var isValid = !(invalidCharRegExp.test(string));	
	return isValid;
 }

function telephoneCheck(telephoneNum)
 {
 	var validCharRegExp = /^\+?[\d\- ]+$/;
	var isValid = (validCharRegExp.test(telephoneNum));
	
	return isValid;
 }