function trim_string(sString) {
	while (sString.substring(0,1) == " " || sString.substring(0,1) == "\t" || sString.substring(0,1) == "\r" || sString.substring(0,1) == "\n")
	{
		sString = sString.substring(1, sString.length);
	}
	
	while (sString.substring(sString.length-1, sString.length) == " " || sString.substring(sString.length-1, sString.length) == "\t'" || sString.substring(sString.length-1, sString.length) == "\r" || sString.substring(sString.length-1, sString.length) == "\n")
	{
		sString = sString.substring(0,sString.length-1);
	}
	
	return sString;
}


function trim_textbox(text){				
	while(text.value.charAt(0)==' ')
		text.value = text.value.substring(1,text.value.length)

	while(text.value.charAt(text.value.length-1)==' ')
		text.value = text.value.substring(0,text.value.length-1)				
}