Javascript fgv végrehajtódásánál az oldal tetejére ugrik valamiért?

function addPoint(type)

{

if(freepoints > 0)

{

var xmlhttp = new XMLHttpRequest();

xmlhttp.open("GET", "functions/addpoint.php?type=" + type, true);

xmlhttp.send();

document.getElementById("freepoints").innerHTML = --freepoints;

if(freepoints == 0)

{

document.getElementById("table").deleteRow(10);

for(var i=0;i<5;i++)

document.getElementById(i).deleteCell(2);

}

if(array["bonus"+type] != 0)

{

strtext = "<font color=\"#12f004\">"+(++array[type]+array["bonus"+type])+"</font>";

bonustext = "Item(s): <font color=\"#12f004\">+"+array["bonus"+type]+"</font><br>";

}

else

{

strtext = ++array[type];

bonustext="";

}

document.getElementById(type).innerHTML = strtext;

if(type === "agi")

{

var crit = Math.round(Math.sqrt(array[type]+array["bonus"+type])*25*<?php echo CRIT_CHANCE_RATE; ?>/(1+<?php echo $level; ?>*0.25)*<?php echo MAX_LEVEL; ?>/100);

document.getElementById("crit").innerHTML = crit+" %";

document.getElementById(type).setAttribute("data-tip","<span class=\"info\">Base: "+array[type]+"<br>"+bonustext+"Determines critical hit chance. <font color=\"#12f004\">("+crit+"%)</font></span>");

}

else if(type === "int")

{

document.getElementById(type).setAttribute("data-tip","<span class=\"info\">Base: "+array[type]+"<br>"+bonustext+"Determines maximum mana and spell power. <font color=\"#12f004\">(Under Developement)</font></span>");

}

else if(type === "spi")

{

var regen = Math.round(Math.sqrt(array[type]+array["bonus"+type])*7*<?php echo HP_REGEN_RATE; ?> /(1+<?php echo $level; ?>*0.25)* <?php echo MAX_LEVEL; ?>/1000*12);

document.getElementById("hpregen").innerHTML = ""+(regen+<?php echo $hprbonus; ?>)+" % / h";

document.getElementById("energyregen").innerHTML = ""+(regen+<?php echo $erbonus; ?>)+" % / h";

document.getElementById(type).setAttribute("data-tip","<span class=\"info\">Base: "+array[type]+"<br>"+bonustext+"Determines health and energy regeneration. <font color=\"#12f004\">("+regen+"% per hour)</font></span>");

}

else if(type === "sta")

{

var maxhealth = (array[type]+array["bonus"+type])*15;

var health = <?php echo $health; ?>;

var percent = Math.round((health/maxhealth)*100);

document.getElementById("hp").innerHTML = "<div title='Health: "+percent+" %' style='position: relative;width: 100%;text-align: center;background-color: #000;border-radius: 4px;z-index: 1;'><div align='center' style='position: absolute;left: 0; top: 0; bottom: 0;background-color: #00BB22;border-radius: 4px;z-index: 2; width:"+percent+"%;'></div><span style='position: relative;z-index: 3;'>"+health+"/"+maxhealth+"</span></div>";

document.getElementById("headerhp").innerHTML = "<div title='Health: "+health+"/"+maxhealth+"' style='position: relative;width: 100%;text-align: center;background-color: #000;border-radius: 4px;z-index: 1;'><div align='center' style='position: absolute;left: 0; top: 0; bottom: 0;background-color: #00BB22; border-radius: 4px;z-index: 2; width:"+percent+"%;'></div><span style='position: relative;z-index: 3;'>"+percent+"%</span></div>";

document.getElementById(type).setAttribute("data-tip","<span class=\"info\">Base: "+array[type]+"<br>"+bonustext+"Determines maximum health. <font color=\"#12f004\">("+maxhealth+")</font></span>");

}

else if(type === "str")

{

var maxdmg = <?php echo $maxdmg;?>;

var mindmg = <?php echo $mindmg;?>;

var bonusmindmg=Math.round(mindmg*(array[type]+array["bonus"+type])/1000);

bonusmindmg+=Math.round((array[type]+array["bonus"+type])/5);

var bonusmaxdmg=Math.round(maxdmg*(array[type]+array["bonus"+type])/1000);

bonusmaxdmg+=Math.round((array[type]+array["bonus"+type])/5);

document.getElementById("dmg").setAttribute("data-tip","<span class=\"info\">Base: "+mindmg+"-"+maxdmg+"<br>Strenght: <font color=\"#12f004\">+"+((array[type]+array["bonus"+type])/5)+"</font> and <font color=\"#12f004\">+"+((array[type]+array["bonus"+type])/10)+"% ("+Math.round(maxdmg*(array[type]+array["bonus"+type])/1000)+")</font> of base damage<br></span>");

if(bonusmindmg == 0 && bonusmaxdmg == 0) document.getElementById("dmg").innerHTML = ""+mindmg+"-"+maxdmg;

else document.getElementById("dmg").innerHTML = "<font color=\"#12f004\">"+(mindmg+bonusmindmg)+"-"+(maxdmg+bonusmaxdmg)+"</font>";

document.getElementById(type).setAttribute("data-tip","<span class=\"info\">Base: "+array[type]+"<br>"+bonustext+"Increases physical damage by <font color=\"#12f004\"> "+((array[type]+array["bonus"+type])/5)+"</font> and <font color=\"#12f004\"> "+((array[type]+array["bonus"+type])/10)+"% ("+Math.round(maxdmg*(array[type]+array["bonus"+type])/1000)+")</font> of base damage.</span>");

}

}

}

Igen.

<a onclick='addPoint(\"agi\")' href='#'></a>