//change the opacity for different browsers 
function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
}

function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 

    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } 
} 

function premiumServices(num) {
	for(i=1; i<3; i++) {
		ServiceTab=document.getElementById('serTab'+i)
		ServiceTabContent=document.getElementById('serTabContent'+i)
		if(num==i) {
			ServiceTab.style.height=25+'px';
			ServiceTab.style.borderBottomWidth=0+'px';
			ServiceTabContent.style.display='block';
		}
		else {
			ServiceTab.style.height='';
			ServiceTab.style.borderBottomWidth=1+'px';
			ServiceTabContent.style.display='none';
		}
		
	}
}