var mouseX=0;
var mouseY=0;
var startX=0;
var startY=0;

var currentMode='notLoaded';

function getMouseXY(aEvent)	//deplacement de l'element draguer
{
  	var myEvent = aEvent ? aEvent : window.event; //recuperation de l'evenement selon le navigateur
	//on recupere cible de l'evenemet
	var target= myEvent.target ? myEvent.target : myEvent.srcElement;
	if(myEvent.offsetX)
	{
		mouseX=myEvent.clientX+document.body.scrollLeft;
		mouseY=myEvent.clientY+document.body.scrollTop;
	}
	else
	{
		mouseX=myEvent.pageX;
		mouseY=myEvent.pageY;
	}
}

function tryDrawLine()
{
	if(currentMode=='firstPositionCaptured')
	{
		drawLine(startX,startY,mouseX,mouseY,'black',document.getElementById('espacementSelector').value,2,'myDiv');
	}
//	else makeRequest('test.php?isin=<? echo $arg; ?>&open='+startY+'&close='+mouseY+'&ok=1')">
}

function captureClick()
{
	if(currentMode=='noPositionDefined')
	{
		currentMode='firstPositionCaptured';
		startX=mouseX;
		startY=mouseY;
	        makeRequest('test.php?isin=<? echo $isin; ?>&open='+startY+'&ok=1');
	}
	else
	{
		currentMode='noPositionDefined';
	        makeRequest('test.php?isin=<? echo $isin; ?>&close='+mouseY+'&ok=1');
	}
}