function setContentHeight() {
    if (document.getElementById) {
            if(document.getElementById('main_feature'))
            {
                var maintext = document.getElementById('maintext').offsetWidth;
                
                if(maintext >= 495)
                {
                    var features = document.getElementById('main_feature');
                    
                     features.setAttribute("class", "large_main_feature");
                    
                }
                else
                {
                    var features = document.getElementById('main_feature');
                    
                      features.setAttribute("class", "");
                    
                }
            }
    }
}

function fieldFocus(element, text)
{
	if(text == element.value) {
		element.value = "";
	}
}
function fieldBlur(element, text)
{
	if("" == element.value) {
		element.value = text;
	}
}