function splChars(FieldName)
{
	var iChars = "<>=\&";
	for (var i = 0; i < FieldName.value.length; i++)
	{
		if (iChars.indexOf(FieldName.value.charAt(i)) != -1)
		{
			//alert ("--Remove Special Characters from "FieldName "Field--");
			return true;
		}
	}
}
function checkSearch(oForm)
{
	if(emptyField(oForm.txtKeywords))
	{
		alert("Enter Your Search");
		//oForm.txtName.focus();
		return false;
	}
	else if(trim(oForm.txtKeywords.value))
	{
		alert("Remove blank space(s) from Search field");
		//oForm.txtName.focus();
		return false;
	}
	else if (splChars(oForm.txtKeywords))
	{
		alert("---Remove <>=\& characters if any from Search field");		
		return false;	
	}
	oForm.action="Search.php";
	oForm.method = "post";
	oForm.submit();
	return true;
}
function emptyField(oTextField)
{
	if (oTextField.value.length == 0) return true;
	for (var i=0; i< oTextField.value.length; i++) {
		var ch = oTextField.value.charAt(i);
		if (ch != ' ' && ch != '\t') return false;
		}
}
function trim(par)
{
	var y = par.length;
	var ret = '';
	var ex=0;
	var bl=0;
	for (i=0;i<y;i++)
	{
		if (par.charAt(i) == ' ')
			bl = bl+1
		else
		{
			ret=ret+par.charAt(i);
			ex = ex+1
		}
	}
	if (bl==y)
		return true;
	else 
		return false;
	
}