function moveElementXabsolute(element,value){
	element.style.left = value + "px";
}

function moveElementYabsolute(element,value){
	element.style.top = value + "px";
}

function moveElementXrelative(element,diff){
	moveElementXabsolute(element,getXposition(element) + diff);
}

function moveElementYrelative(element,diff){
	moveElementYabsolute(element,getYposition(element) + diff)
}

function getYposition(element){
	if(isNaN(parseInt(element.style.top))){
		return 0;
	}else{
		return parseInt(element.style.top);
	}
}

function getXposition(element){
	if(isNaN(parseInt(element.style.left))){
		return 0;
	}else{
		return parseInt(element.style.left);
	}
}