// JavaScript Document
/*********************************************************
 * Author: Raymond Chan
 * These functions are modified from what is used on 
 * the SHSSR internet sites, and specific to showing
 * and hiding the tables on Gamma Knife's subsite.
 ********************************************************/
 
function showPatientLinks(){
    // setting layers
    var indexZa = 1;
    
    if (is_ie)
    {
        // IE
        patients.style.visibility = "visible";
        patients.style.zIndex = indexZa;
    }else if(is_nav)
    {
        if(is_nav4)
        {
            // NN4
            document.layers['patients'].visibility = "show";
            document.layers['patients'].zIndex = indexZa;
        }
        else
        {
            // NN6
            document.getElementById('patients').style.visibility = "visible";
            document.getElementById('patients').style.zIndex = indexZa;
        }
    }
}

function hidePatientLinks(){
    // setting layers
    var indexZb = -1;
    
    if (is_ie)
    {
        // IE
        patients.style.zIndex = indexZb;
        patients.style.visibility = "hidden";
    }else if(is_nav)
    {
        if(is_nav4)
        {
            // NN4
            setTimeout("document.layers['patients'].visibility = 'hide'",2500);
            //document.layers['HelpMeFind'].visibility = "hide";
            document.layers['patients'].zIndex = indexZb;
        }
        else
        {
            // NN6
            document.getElementById('patients').style.visibility = "hidden";
            document.getElementById('patients').style.zIndex = indexZb;
        }
    }
}

function showPhysicianLinks(){
    // setting layers
    var indexZa = 1;
    
    if (is_ie)
    {
        // IE
        physicians.style.visibility = "visible";
        physicians.style.zIndex = indexZa;
    }else if(is_nav)
    {
        if(is_nav4)
        {
            // NN4
            document.layers['physicians'].visibility = "show";
            document.layers['physicians'].zIndex = indexZa;
        }
        else
        {
            // NN6
            document.getElementById('physicians').style.visibility = "visible";
            document.getElementById('physicians').style.zIndex = indexZa;
        }
    }
}

function hidePhysicianLinks(){
    // setting layers
    var indexZb = -1;
    
    if (is_ie)
    {
        // IE
        physicians.style.zIndex = indexZb;
        physicians.style.visibility = "hidden";
    }else if(is_nav)
    {
        if(is_nav4)
        {
            // NN4
            setTimeout("document.layers['physicians'].visibility = 'hide'",2500);
            //document.layers['HelpMeFind'].visibility = "hide";
            document.layers['physicians'].zIndex = indexZb;
        }
        else
        {
            // NN6
            document.getElementById('physicians').style.visibility = "hidden";
            document.getElementById('physicians').style.zIndex = indexZb;
        }
    }
}

function offsetMenu(x,y)
{
	if(is_ie) {
		patients.style.left = x;
		patients.style.top = y;
		physicians.style.left = x + 98;
		physicians.style.top = y;
	} else if(is_nav) {
		if(is_nav4) {
			document.layers['patients'].left = x;
			document.layers['patients'].top = y;
			document.layers['physicians'].left = x + 98;
			document.layers['physicians'].top = y;
		} else {
			document.getElementById('patients').left = x;
			document.getElementById('patients').top = y;
			document.getElementById('physicians').left = x + 98;
			document.getElementById('physicians').top = y;
		}
	}
}