String.prototype.trim = function()
{ 	// skip leading and trailing whitespace
	// and return everything in between
	return this.replace(/^\s*(\b.*\b|)\s*$/, "$1");
}

function validatequery(formvalue)
{
	//variables
	scurrentquery =  formvalue.qvalue.value;
	slanguage =  formvalue.viewlanguage.value;
	
	//validate text entered
	if ( scurrentquery.trim() == "")
	{	if (slanguage == "en")
		{alert ("Enter text to search for");}
		if (slanguage == "fr")
		{alert ("Écrivez le texte pour rechercher ");}
		return false;
	}

	formvalue.qinputvalue.value = scurrentquery.trim();
	formvalue.q.value = scurrentquery.trim();

	return true;
}