function trim(str)
	{
		return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');	
	}
	function goSearch(){
		var f = document.searchForm;
		var q = trim(f.query.value);
		var isRF = f.tfoto[1].checked;
		var isRM = f.tfoto[0].checked;
		var isLRF = f.tfoto[2].checked;
		
		if (q.length == 0)
		{
			alert ('Please enter a keyword to search for!');return false;	
		}
		if (!f.tfoto[0].checked && !f.tfoto[1].checked && !f.tfoto[2].checked)
		{
			alert ('This search won\'t return any result! Please check at least one image type.');return false;	
		}
		if (currTab == 0)
			f.submit();
		// corbis search
		if (currTab == 1)
		{
			var cUrl = 	"http://www.corbisimages.com/Search#q=" + escape(q);
			if (isRM && !isRF)
				cUrl += "&lic=1"
			else if (isRF && !isRM)
				cUrl += "&lic=2";
			alert('Please remember you must be registered on www.corbis.com \nin order to get access to images available to Romania.');
			var masWin = window.open(cUrl);
			if(masWin)masWin.focus();
			return false;
		}
		// masterfile search
		if (currTab == 2)
		{
			var mURL = "http://www.masterfile.com/search/index.html?";

			mURL += "query=" + escape(q) +"&sort=alice&page=1&so_reset=off&so_photographs=photographs&imgPerPage=36";
			if (isRM && !isRF)
				mURL += "&collectionID=RM";
			else if (isRF && !isRM)
				mURL += "&licType=RM&licType=RF";
				
			alert('Please remember you must be registered on\nwww.masterfile.com in order to get access to images\navailable to Romania.');
			var masWin = window.open(mURL);
			if(masWin)masWin.focus();
			return false;
		}
	}
	
	function showHelp(section){
  	 if(section == null)
	  	 window.open('http://www.agefotostock.com/age/ingles/help/help01.asp','helpW','width=850,height=600,scrollbars=yes');
	 else
	 	window.open(section,'helpW','width=500,height=650,scrollbars=yes');
  }