function isInArray(val, array) {

	for (var a = 0; a < array.length; ++a) {
		if (array[a] != val) continue;
		    return true;
	}
}

function fixProductFirstLetter()
{
    var arrayBig=new Array('w','m');
    var arraySmall=new Array('i','j');
    var h1s = document.getElementsByTagName('h2');
    var html="";
    for(var i=0;i<h1s.length;i++)
    {
        html = h1s.item(i).innerHTML;
        var char = html.substring(0, 1).toLowerCase();
        if(isInArray(char,arrayBig))
        {
            h1s.item(i).className="bigFirstLetter";
        }
        else if(isInArray(char,arraySmall))
        {
            h1s.item(i).className="smallFirstLetter";
        }
        else
        {
            h1s.item(i).className="averageFirstLetter";
        }
    }
}
window.onload=fixProductFirstLetter;